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  <xs:element id="rdnt_BusinessCombinationRecognizedAssetAcquiredAccountsPayableAccruedExpensesAndOther" abstract="false" name="BusinessCombinationRecognizedAssetAcquiredAccountsPayableAccruedExpensesAndOther" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rdnt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rdnt_RegionalRadiologyCenterAndNorthwestRadiologyNetworkPCMember" abstract="true" name="RegionalRadiologyCenterAndNorthwestRadiologyNetworkPCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_BusinessCombinationHoldbackConsideration" abstract="false" name="BusinessCombinationHoldbackConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rdnt_BusinessCombinationRecognizedAssetAcquiredOperatingAssets" abstract="false" name="BusinessCombinationRecognizedAssetAcquiredOperatingAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rdnt_BusinessCombinationRecognizedLiabilityAssumedLongTermDebtAndOtherLiabilityNoncurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedLongTermDebtAndOtherLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rdnt_DigitalHealthMember" abstract="true" name="DigitalHealthMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_BarclaysMember" abstract="true" name="BarclaysMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_TruistMember" abstract="true" name="TruistMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_TermLoanMember" abstract="true" name="TermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_BarclaysCreditAgreementMember" abstract="true" name="BarclaysCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_FirstLienCreditAgreementMember" abstract="true" name="FirstLienCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_FirstLienCreditAgreementEighthAmendmentMember" abstract="true" name="FirstLienCreditAgreementEighthAmendmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_NumberOfDebtInstrumentHeld" abstract="false" name="NumberOfDebtInstrumentHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rdnt_DebtInstrumentIncreaseDecreaseInInterestRateStatedPercentage" abstract="false" name="DebtInstrumentIncreaseDecreaseInInterestRateStatedPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="rdnt_DebtInstrumentPeriodicPaymentTermsAmortizationIncrease" abstract="false" name="DebtInstrumentPeriodicPaymentTermsAmortizationIncrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="rdnt_BarclaysTermLoanMember" abstract="true" name="BarclaysTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_OneMonthSecuredOvernightFinancingRateSOFRMember" abstract="true" name="OneMonthSecuredOvernightFinancingRateSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_FirstLienTermLoanMember" abstract="false" name="FirstLienTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_RestatedAgreementMember" abstract="true" name="RestatedAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_EquipmentNotesPayableMember" abstract="true" name="EquipmentNotesPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_PerformanceBasedStockUnitsMember" abstract="true" name="PerformanceBasedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfVestingTranches" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfVestingTranches" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="rdnt_A2006PlanMember" abstract="true" name="A2006PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_WeightedAverageRemainingContractualLife" abstract="true" name="WeightedAverageRemainingContractualLife" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rdnt_AggregateIntrinsicValue" abstract="true" name="AggregateIntrinsicValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="rdnt_RestrictedStockAwardsAndRestrictedStockUnitsMember" abstract="true" name="RestrictedStockAwardsAndRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="rdnt_IntermountainMedicalImagingLLCMember" abstract="true" name="IntermountainMedicalImagingLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
