ElectrocardiographyElectrocardiography, AmbulatoryExercise TestArrhythmias, CardiacEchocardiographyMagnetocardiographyVectorcardiographyVisual FieldsSignal Processing, Computer-AssistedChest PainElectromagnetic FieldsHeart Conduction SystemMyocardial InfarctionSensitivity and SpecificityHypertrophy, Left VentricularHeart RateHeartHeart AuscultationPredictive Value of TestsCoronary AngiographyCoronary DiseaseDipyridamoleDeath, Sudden, CardiacMyocardial IschemiaProspective StudiesThalliumHeart DiseasesHeart BlockCardiotocographyPeripartum PeriodKinetocardiographyDobutamineCardiomyopathiesTachycardia, SinusMagnetic FieldsTelemetryCardiologyMonitoring, PhysiologicAtrial FibrillationSyncopeVentricular Premature ComplexesAngina PectorisRadionuclide VentriculographyTime FactorsPrognosisWolff-Parkinson-White SyndromeTachycardia, VentricularBradycardiaTachycardia, SupraventricularCardiology Service, HospitalFollow-Up StudiesEmergency Medical TechniciansBundle-Branch BlockElectrodesTroponin TCardiomyopathy, HypertrophicThallium RadioisotopesVentricular Dysfunction, LeftCardiovascular AbnormalitiesHeart VentriclesRisk FactorsPhysical ExaminationAtrioventricular BlockHeart Function TestsCoronary Artery DiseasePericarditisVentricular Function, LeftAutonomic Nervous SystemHeart MurmursVisual Field TestsReproducibility of ResultsPhonocardiographyTachycardiaRadiography, ThoracicBody Surface Potential MappingEchocardiography, DopplerDeath, SuddenIntraoperative ComplicationsEchocardiography, StressTreatment OutcomeCardiomyopathy, DilatedTakotsubo CardiomyopathyDiagnosis, Computer-AssistedBrugada SyndromePrevalencePhysical ExertionSportsRisk AssessmentLong QT SyndromeStroke VolumeHypertensionAngiocardiographyHeart AtriaRetrospective StudiesCardiotonic AgentsAnti-Arrhythmia AgentsTomography, Emission-Computed, Single-PhotonPacemaker, ArtificialCreatine KinaseAtrioventricular Node