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  <xs:import namespace="http://xbrl.sec.gov/cyd-af/2025" schemaLocation="https://xbrl.sec.gov/cyd/2025/cyd-af-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd-sub/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-sub-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei-sub/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-sub-2025.xsd"/>
  <xs:element name="ScheduleOfDisaggregatedRevenueAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfDisaggregatedRevenueAbstract"/>
  <xs:element name="ScheduleOfPropertyAndEquipmentEstimatedUsefulLifeAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfPropertyAndEquipmentEstimatedUsefulLifeAbstract"/>
  <xs:element name="ScheduleOfBasicAndDilutedNetLossPerShareAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfBasicAndDilutedNetLossPerShareAbstract"/>
  <xs:element name="ScheduleOfFairValueMeasurementAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfFairValueMeasurementAbstract"/>
  <xs:element name="ScheduleOfWarrantsOutstandingAndExercisableAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfWarrantsOutstandingAndExercisableAbstract"/>
  <xs:element name="ScheduleOfRestrictedStockAwardsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfRestrictedStockAwardsAbstract"/>
  <xs:element name="ScheduleOfIncomeBeforeIncomeTaxesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfIncomeBeforeIncomeTaxesAbstract"/>
  <xs:element name="ScheduleOfReconciliationEffectiveTaxRateOnIncomeAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfReconciliationEffectiveTaxRateOnIncomeAbstract"/>
  <xs:element name="SupplementalDisclosuresOfCashFlowInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SupplementalDisclosuresOfCashFlowInformationAbstract"/>
  <xs:element name="IncomeTaxesNetOfRefundsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_IncomeTaxesNetOfRefundsAbstract"/>
  <xs:element name="StateAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StateAbstract"/>
  <xs:element name="ShareOfAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareOfAbstract"/>
  <xs:element name="NontaxableOrNondeductibleItemsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_NontaxableOrNondeductibleItemsAbstract"/>
  <xs:element name="OtherAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_OtherAbstract"/>
  <xs:element name="ProductDevelopmentCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ProductDevelopmentCosts"/>
  <xs:element name="SoftwareDevelopmentCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SoftwareDevelopmentCosts"/>
  <xs:element name="ProductDevelopmentCostsNetOfAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ProductDevelopmentCostsNetOfAmortization"/>
  <xs:element name="SoftwareDevelopmentCostsNetOfAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SoftwareDevelopmentCostsNetOfAmortization"/>
  <xs:element name="OtherIntangibleAssetsNetOfAccumulatedAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_OtherIntangibleAssetsNetOfAccumulatedAmortization"/>
  <xs:element name="StockIssuedDuringPeriodValueSaleOfCommonStockWarrantsAndPrefundedWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodValueSaleOfCommonStockWarrantsAndPrefundedWarrants"/>
  <xs:element name="StockIssuedDuringPeriodSharesSaleOfCommonStockWarrantsAndPrefundedWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesSaleOfCommonStockWarrantsAndPrefundedWarrants"/>
  <xs:element name="AdjustmentsToAdditionalPaidInCapitalFeesIncurredInConnectionWithEquityOfferings" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AdjustmentsToAdditionalPaidInCapitalFeesIncurredInConnectionWithEquityOfferings"/>
  <xs:element name="StockAndWarrantsIssuedDuringPeriodValueWarrantsexercisedforcommonstockonacashlessbasis" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockAndWarrantsIssuedDuringPeriodValueWarrantsexercisedforcommonstockonacashlessbasis"/>
  <xs:element name="StockIssuedDuringPeriodSharesWarrantsExercisedForCommonStockOnACashlessBasisinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesWarrantsExercisedForCommonStockOnACashlessBasisinShares"/>
  <xs:element name="StockIssuedDuringPeriodValueConversionOfSeriesHPreferredStockForCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodValueConversionOfSeriesHPreferredStockForCommonStock"/>
  <xs:element name="StockIssuedDuringPeriodSharesConversionOfSeriesHPreferredStockForCommonStockinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesConversionOfSeriesHPreferredStockForCommonStockinShares"/>
  <xs:element name="StockIssuedDuringPeriodValueRedemptionOfSeriesIPreferredStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodValueRedemptionOfSeriesIPreferredStock"/>
  <xs:element name="StockIssuedDuringPeriodSharesRedemptionOfSeriesIPreferredStockinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesRedemptionOfSeriesIPreferredStockinShares"/>
  <xs:element name="StockIssuedDuringPeriodValueCancellationOfCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodValueCancellationOfCommonStock"/>
  <xs:element name="StockIssuedDuringPeriodSharesCancellationOfCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesCancellationOfCommonStock"/>
  <xs:element name="StockIssuedDuringPeriodValuesCommonStockWithheldToPayTaxes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodValuesCommonStockWithheldToPayTaxes"/>
  <xs:element name="StockIssuedDuringPeriodSharesIssuanceOfSeriesHPreferredStockinShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesIssuanceOfSeriesHPreferredStockinShares"/>
  <xs:element name="StockIssuedDuringPeriodSharesIssuanceOfSeriesHPreferredInSharesStockinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesIssuanceOfSeriesHPreferredInSharesStockinShares"/>
  <xs:element name="StockIssuedDuringPeriodSharesIssuanceOfSeriesIPreferredStockinShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesIssuanceOfSeriesIPreferredStockinShares"/>
  <xs:element name="StockIssuedDuringPeriodSharesIssuanceOfSeriesIPreferredInSharesStockinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockIssuedDuringPeriodSharesIssuanceOfSeriesIPreferredInSharesStockinShares"/>
  <xs:element name="AmortizationOfProductDevelopmentCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AmortizationOfProductDevelopmentCosts"/>
  <xs:element name="AmortizationOfSoftwareDevelopmentCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AmortizationOfSoftwareDevelopmentCosts"/>
  <xs:element name="FairValueofSeriesHPreferredStockIssuedtoSeriesBHolders" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_FairValueofSeriesHPreferredStockIssuedtoSeriesBHolders"/>
  <xs:element name="PaymentToProductDevelopment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_PaymentToProductDevelopment"/>
  <xs:element name="RedemptionsaleOfGovernmentSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_RedemptionsaleOfGovernmentSecurities"/>
  <xs:element name="FeesPaidInConnectionWithEquityOfferings" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_FeesPaidInConnectionWithEquityOfferings"/>
  <xs:element name="CommonStockWithheldToPayTaxes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_CommonStockWithheldToPayTaxes"/>
  <xs:element name="ProductDevelopmentCostsIncludedInAccountsPayableAndAccruedExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ProductDevelopmentCostsIncludedInAccountsPayableAndAccruedExpenses"/>
  <xs:element name="SoftwareDevelopmentCostsIncludedInAccountsPayableAndAccruedExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SoftwareDevelopmentCostsIncludedInAccountsPayableAndAccruedExpenses"/>
  <xs:element name="SeriesHPreferredStockConversionToCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesHPreferredStockConversionToCommonStock"/>
  <xs:element name="WebsiteDevelopmentCostsIncludedInAccountsPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_WebsiteDevelopmentCostsIncludedInAccountsPayable"/>
  <xs:element name="LeaseLiabilityAndRightofuseAssetArisingFromLeaseExtension" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_LeaseLiabilityAndRightofuseAssetArisingFromLeaseExtension"/>
  <xs:element name="SalesToDistributorsAndResellersPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SalesToDistributorsAndResellersPolicyTextBlock"/>
  <xs:element name="ShippingAndHandlingPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShippingAndHandlingPolicyTextBlock"/>
  <xs:element name="DeferredRevenueFromCustomersPolicyPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_DeferredRevenueFromCustomersPolicyPolicyTextBlock"/>
  <xs:element name="ScheduleOfPropertyAndEquipmentEstimatedUsefulLifeTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ScheduleOfPropertyAndEquipmentEstimatedUsefulLifeTableTextBlock"/>
  <xs:element name="ContractwithCustomerLiabilityRevenueAdditions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ContractwithCustomerLiabilityRevenueAdditions"/>
  <xs:element name="ContractWithCustomerLiabilityRevenuesRecognized" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ContractWithCustomerLiabilityRevenuesRecognized"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesScheduleofPropertyandEquipmentEstimatedUsefulLifeDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_SummaryofSignificantAccountingPoliciesScheduleofPropertyandEquipmentEstimatedUsefulLifeDetailsTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesScheduleofBasicandDilutedNetLossPerShareDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_SummaryofSignificantAccountingPoliciesScheduleofBasicandDilutedNetLossPerShareDetailsTable"/>
  <xs:element name="AccruedMerchantBankFeesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AccruedMerchantBankFeesCurrent"/>
  <xs:element name="AccruedManagementIncentivesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AccruedManagementIncentivesCurrent"/>
  <xs:element name="LeaseLiabilityCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_LeaseLiabilityCurrent"/>
  <xs:element name="FairValueMeasurementsScheduleofFairValueMeasurementDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_FairValueMeasurementsScheduleofFairValueMeasurementDetailsTable"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms1" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms1"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueOutstanding" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueOutstanding"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYears" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYears"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceIssued" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceIssued"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsIssued" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsIssued"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueIssued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueIssued"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsIssuedPrefundedWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsIssuedPrefundedWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceIssuedPrefundedWarrants" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceIssuedPrefundedWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsIssuedPrefundedWarrants" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsIssuedPrefundedWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueIssuedPrefundedWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueIssuedPrefundedWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceExpiredWarrants" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceExpiredWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsExerciseOfPrefundedWarrants" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsExerciseOfPrefundedWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExerciseOfPrefundedWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExerciseOfPrefundedWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExerciseofSeriesDWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExerciseofSeriesDWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceExerciseOfSeriesDWarrants" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceExerciseOfSeriesDWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsExerciseOfSeriesDWarrants" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingLifeInYearsExerciseOfSeriesDWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExerciseOfSeriesDWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExerciseOfSeriesDWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancellationOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancellationOfWarrants"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancellationOfWarrantsWeightedAverageGrantDateFairValue" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancellationOfWarrantsWeightedAverageGrantDateFairValue"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancellationOfWarrantsWeightedAverageRemainingContractualTerms" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancellationOfWarrantsWeightedAverageRemainingContractualTerms"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueCancellationOfWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueCancellationOfWarrants"/>
  <xs:element name="StockIncentivePlansScheduleofRestrictedStockAwardsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_StockIncentivePlansScheduleofRestrictedStockAwardsDetailsTable"/>
  <xs:element name="IncomeTaxReconciliationNondeductibleExpenseStockIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_IncomeTaxReconciliationNondeductibleExpenseStockIssuanceCosts"/>
  <xs:element name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseStockIssuanceCosts" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseStockIssuanceCosts"/>
  <xs:element name="IncomeTaxReconciliationChangesInUnrecognizedTaxBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_IncomeTaxReconciliationChangesInUnrecognizedTaxBenefits"/>
  <xs:element name="EffectiveIncomeTaxRateReconciliationChangesInUnrecognizedTaxBenefits" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_EffectiveIncomeTaxRateReconciliationChangesInUnrecognizedTaxBenefits"/>
  <xs:element name="IncomeTaxReconciliationAttributeExpirations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_IncomeTaxReconciliationAttributeExpirations"/>
  <xs:element name="EffectiveIncomeTaxRateReconciliationAttributeExpirationsPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_EffectiveIncomeTaxRateReconciliationAttributeExpirationsPercentage"/>
  <xs:element name="IncomeTaxReconciliationPriorPeriodTrueUps" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_IncomeTaxReconciliationPriorPeriodTrueUps"/>
  <xs:element name="EffectiveIncomeTaxRateReconciliatioPriorPeriodTrueUpsPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_EffectiveIncomeTaxRateReconciliatioPriorPeriodTrueUpsPercentage"/>
  <xs:element name="DeferredTaxAssetsLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_DeferredTaxAssetsLeaseLiabilities"/>
  <xs:element name="DeferredTaxAssetsTaxableGoodwil" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_DeferredTaxAssetsTaxableGoodwil"/>
  <xs:element name="DeferredTaxLiabilitiesRightofuseAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_DeferredTaxLiabilitiesRightofuseAssets"/>
  <xs:element name="WorkingCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_WorkingCapital"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_SummaryofSignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="ContractWithCustomerLiabilitySalesRecognized" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ContractWithCustomerLiabilitySalesRecognized"/>
  <xs:element name="CapitalizedProductDevelopmentCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_CapitalizedProductDevelopmentCost"/>
  <xs:element name="CapitalizedSoftwareDevelopmentCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_CapitalizedSoftwareDevelopmentCost"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_StockholdersEquityDetailsTable"/>
  <xs:element name="UnitsIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_UnitsIssuedDuringPeriodSharesNewIssues"/>
  <xs:element name="CommonStockPurchaseWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="lgmk_CommonStockPurchaseWarrants"/>
  <xs:element name="DesignatedAuthorizedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="lgmk_DesignatedAuthorizedShares"/>
  <xs:element name="FairValueOfSeriesHPreferredStockIssuedToSeriesBHolders" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_FairValueOfSeriesHPreferredStockIssuedToSeriesBHolders"/>
  <xs:element name="CommonStockOutstandingPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_CommonStockOutstandingPercentage"/>
  <xs:element name="WarrantsToPurchaseCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_WarrantsToPurchaseCommonStock"/>
  <xs:element name="PrefundedUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="lgmk_PrefundedUnits"/>
  <xs:element name="PercentageOfVotingStock" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_PercentageOfVotingStock"/>
  <xs:element name="StockIncentivePlansDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_StockIncentivePlansDetailsTable"/>
  <xs:element name="UnrecognizedCompensationCostRelatedToNonvestedStockOptions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_UnrecognizedCompensationCostRelatedToNonvestedStockOptions"/>
  <xs:element name="IncomeTaxesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_IncomeTaxesDetailsTable"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="lgmk_CommitmentsandContingenciesDetailsTable"/>
  <xs:element name="RealEstateLeaseTermDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_RealEstateLeaseTermDescription"/>
  <xs:element name="MonthlyRentAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="lgmk_MonthlyRentAmount"/>
  <xs:element name="IncreasingAnnualRentPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_IncreasingAnnualRentPercentage"/>
  <xs:element name="AcquiringPersonAcquisitionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AcquiringPersonAcquisitionMember"/>
  <xs:element name="AugustPreFundedWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AugustPreFundedWarrantsMember"/>
  <xs:element name="AugustSeriesAWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AugustSeriesAWarrantsMember"/>
  <xs:element name="AugustSeriesBWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_AugustSeriesBWarrantsMember"/>
  <xs:element name="February2025PublicOfferingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_February2025PublicOfferingMember"/>
  <xs:element name="NonemployeeBoardDirectorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_NonemployeeBoardDirectorsMember"/>
  <xs:element name="November2024ReverseStockSplitMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_November2024ReverseStockSplitMember"/>
  <xs:element name="OtherMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_OtherMember"/>
  <xs:element name="OutstandingCommonStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_OutstandingCommonStockMember"/>
  <xs:element name="PrefundedCommonStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_PrefundedCommonStockMember"/>
  <xs:element name="PrefundedUnitsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_PrefundedUnitsMember"/>
  <xs:element name="PrefundedWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_PrefundedWarrantsMember"/>
  <xs:element name="ProductDevelopmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_ProductDevelopmentMember"/>
  <xs:element name="SeriesAAndBWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesAAndBWarrantsMember"/>
  <xs:element name="SeriesAWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesAWarrantMember"/>
  <xs:element name="SeriesBWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesBWarrantsMember"/>
  <xs:element name="SeriesCRedeemablePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesCRedeemablePreferredStockMember"/>
  <xs:element name="SeriesCWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesCWarrantsMember"/>
  <xs:element name="SeriesDWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesDWarrantsMember"/>
  <xs:element name="SeriesGNonConvertibleVotingPreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesGNonConvertibleVotingPreferredStockMember"/>
  <xs:element name="SeriesHConvertibleNonVotingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesHConvertibleNonVotingMember"/>
  <xs:element name="SeriesINonConvertibleVotingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesINonConvertibleVotingMember"/>
  <xs:element name="SeriesIPreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesIPreferredStockMember"/>
  <xs:element name="SeriesRedeemablePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_SeriesRedeemablePreferredStockMember"/>
  <xs:element name="StateMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StateMember"/>
  <xs:element name="StockOptionModificationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_StockOptionModificationMember"/>
  <xs:element name="TwoThousandAndTwentyThreeStockIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_TwoThousandAndTwentyThreeStockIncentivePlanMember"/>
  <xs:element name="USFederalMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_USFederalMember"/>
  <xs:element name="WebsiteAndOtherMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_WebsiteAndOtherMember"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lgmk_DocumentAndEntityInformationAbstract"/>
</xs:schema>
