Examen
WGU C492 Physical Assessment - Cardiovascular System - Practice Test Questions and answers, 100% Accurate. VERIFIED 2024
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The first heart sound (S1) occurs with closure of the AV valves and thus signals the beginning of systole. The mitral component of the first sound (M1) slightly precedes the tricuspid component (T1), but you usually hear these two components fused as one sound. You can hear S1 over all the prec...
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