Diagnostic Techniques, Digestive SystemDiagnostic Techniques, Respiratory SystemRespiratory SystemSensitivity and SpecificityDiagnostic Techniques and ProceduresLung ComplianceEmergency Medical ServicesMolecular Diagnostic TechniquesRespiratory MechanicsRespiratory Physiological PhenomenaAirway ResistanceDiagnostic Techniques, RadioisotopeDiagnostic Techniques, OtologicalMedicine, AyurvedicDefibrillatorsReproducibility of ResultsDiagnostic Techniques, SurgicalRespiratory System AbnormalitiesMedicine, TraditionalComplementary TherapiesEvaluation Studies as TopicTomography, X-Ray ComputedAzure StainsDiagnostic Techniques, UrologicalLung Volume MeasurementsPolymerase Chain ReactionUnited StatesDiagnostic Techniques, Obstetrical and GynecologicalTime FactorsDiagnostic Tests, RoutineProspective StudiesMonitoring, IntraoperativeFunctional Residual CapacityLungTidal VolumeClinical Laboratory TechniquesRespirationImage Processing, Computer-AssistedRespiration, ArtificialAir SacsEquipment DesignAir PressureRetrospective StudiesCardiopulmonary ResuscitationPhytotherapyOscillometryRadiographic Image EnhancementCytodiagnosisRespiratory Function TestsDiagnostic Techniques, NeurologicalPositive-Pressure RespirationTreatment OutcomeParasitologyPredictive Value of TestsPulmonary VentilationHeart ArrestRadionuclide ImagingPhantoms, ImagingPlants, MedicinalBiopsy, NeedleRespiratory Tract DiseasesDiagnostic Techniques, EndocrineDelivery of Health CareUltrasonography