What causes a fixed split S2 heart sound? The second heart sound is produced by the closure of the aortic and pulmonic valves. The sound produced by the closure of the aortic valve is termed A2 and ...
My rationale for beginning at the mitral area is to compare the auscultatory findings with those previously obtained by percussion and palpation (see Nonauscultatory Cardiac Exam: Assessing the ...
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