Auscultation is the most satisfactory means of evaluating heart sounds and murmurs. The object of modern teaching is to bring about proficiency in auscultation through good training. It still remains a contemporary practice, however, to teach auscultation to small groups of students at the patient's bedside. This method is entirely dependent on available clinical material, and it is not unusual for students to enter the practice of medicine without ever having heard the bruit of a patent ductus arteriosus or the sound of a pericardial friction rub. Even if the desired material is at hand, students frequently react to the pressure of colleagues who await their turn to listen by hurrying through the examination without understanding what is heard, or patients often resist these repeated examinations and encourage careless haste. When teaching is restricted to clinical material, an opportunity to compare different sounds and murmurs is seldom offered at the
Geckeler GD, Likoff W, Mason D. TEACHING AUSCULTATION BY ENDLESS LOOP TAPE RECORDING. JAMA. 1953;152(14):1335–1336. doi:10.1001/jama.1953.63690140007008c
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