The Sounds of the Normal Heart |
Contents
The Problem | 5 |
Physics OF SOUND PHYSIOLOGY OF SOUND PERCEPTION | 15 |
The Auditory System of Man | 23 |
Copyright | |
19 other sections not shown
Common terms and phrases
acceleration amplifier amplitude animals aorta aortic aortic component apex artery atrial auditory auscultation average band blood calibrated called cardiac caused changes characteristics chest wall clinical close closure coincides contraction decrease derivative diastolic displacement duration early ejection energy et al FIGURE filter flow frequency function greater heard heart sound high-frequency higher increased indicates insufficiency intensity interspace interval latter left ventricle left ventricular loudness lower Luisada magnitude means measured medium method microphone mitral stenosis mitral valve msec myocardial infarct normal observed obtained occurs opening origin patients peak period phase phonocardiogram phonocardiography present Press pressure pulmonary range rapid recorded relative response result revealed rise second heart sound second sound septal defect signal slope snap splitting stenosis subjects systolic murmur third sound tion tracing transducer tricuspid usually various vibrations wave