Radionuclide AngiographyGated Blood-Pool ImagingTechnetiumVentriculography, First-PassAngiographyGold RadioisotopesRadionuclide ImagingSodium Pertechnetate Tc 99mCoronary AngiographyRadionuclide GeneratorsStroke VolumeCineangiographyRadionuclide VentriculographyMagnetic Resonance AngiographyCerebral AngiographyRadioisotopesGlomus Jugulare TumorTantalumAngiography, Digital SubtractionTechnetium Tc 99m SestamibiTechnetium Tc 99m Aggregated AlbuminVentricular Function, LeftPentetic AcidGamma CamerasTomography, Emission-Computed, Single-PhotonParaganglioma, Extra-AdrenalTechnetium Tc 99m PentetateHeartCardiac VolumeCoronary DiseaseHeart Function TestsExercise TestHeart VentriclesRadiopharmaceuticalsFluorescein AngiographyCesium RadioisotopesWater Pollutants, RadioactiveThallium RadioisotopesTomography, X-Ray ComputedDiastoleStrontium RadioisotopesFourier AnalysisEchocardiographyHeart DiseasesVentricular Function, RightMyocardial ContractionElectrocardiographyObserver VariationCardiac CatheterizationImage Processing, Computer-AssistedReproducibility of ResultsProspective StudiesPhysical ExertionSoil Pollutants, RadioactiveRadiation DosageVentricular Dysfunction, RightVentricular Dysfunction, LeftRadiometryContrast MediaCoronary CirculationSystoleRadioactivityMyocardial InfarctionRheniumFollow-Up StudiesTime FactorsSensitivity and SpecificityAlpha ParticlesErythrocytesIntracranial AneurysmPlutoniumRadioimmunotherapyIodine RadioisotopesFood Contamination, RadioactiveIndium RadioisotopesBeta ParticlesHemodynamicsImaging, Three-DimensionalCoronary Artery DiseaseRadiation MonitoringYttrium RadioisotopesAngiocardiographyCoronary StenosisTomography, Spiral ComputedPredictive Value of TestsGallium RadioisotopesHolmiumOrganometallic CompoundsAstatineEmbolization, TherapeuticSpectrometry, GammaRadioactive FalloutRadioactive PollutantsIntracranial Arteriovenous MalformationsRadioactive WastePoloniumLutetiumActiniumIopamidolTreatment Outcome