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  <xs:element id="lgmk_RealEstateLeaseTermDescription" name="RealEstateLeaseTermDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="lgmk_SalesToDistributorsAndResellersPolicyTextBlock" name="SalesToDistributorsAndResellersPolicyTextBlock" type="dtr:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="lgmk_SharesOfOfferToSell" name="SharesOfOfferToSell" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="lgmk_StockholdersEquityandRedeemablePreferredStockDetailsTable" name="StockholdersEquityandRedeemablePreferredStockDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="lgmk_PrefundedUnitsMember" name="PrefundedUnitsMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="lgmk_February2025PublicOfferingMember" name="February2025PublicOfferingMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="lgmk_ScheduleOfFairValueMeasurementAbstract" name="ScheduleOfFairValueMeasurementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xs:schema>
