Health Insurance Portability and Accountability ActCompliancePrivacyConfidentialityComputer SecurityPatient ComplianceAccounts Payable and ReceivableLung ComplianceUnited States Dept. of Health and Human ServicesClinical Laboratory ServicesSecurity MeasuresUnited StatesHealth Records, PersonalAmerican Recovery and Reinvestment ActAutomatic Data ProcessingInformation ManagementAccess to InformationGuideline AdherenceGovernment RegulationMedical Records Systems, ComputerizedBiomedical ResearchImage Interpretation, Computer-AssistedPolicy MakingContrast MediaSensitivity and SpecificityMagnetic Resonance ImagingImaging, Three-DimensionalReproducibility of ResultsProspective StudiesROC CurveMedication AdherenceVascular CapacitanceElasticityPractice Guidelines as TopicTreatment RefusalHand HygieneArteriesDrug PackagingTreatment OutcomeAirway Resistance