Heart MurmursSoundHeart AuscultationHeart SoundsPhonocardiographySystolic MurmursSound LocalizationStethoscopesSound SpectrographyAuscultationAcoustic StimulationAuditory PerceptionElectronics, MedicalAcousticsEchocardiographyAuditory PathwaysHearingAuditory CortexMitral Valve ProlapseNoiseAortic Valve InsufficiencyHeart Septal Defects, VentricularEvoked Potentials, AuditoryPsychoacousticsMitral Valve InsufficiencyFistulaKinetocardiographyRespiratory SoundsAuditory Threshold