and the regurgitant volume from the previous beat. In acutemitral regurgitation, the sudden volume load on the atriumand ventricle is not compensated for by chamber enlargementand hypertrophy. The sudden increase in atrial volume leadsto prominent atrial v waves with transmission of this elevatedpressure to the pulmonary capillaries and the development ofpulmonary edema ( Figure 10–26 ).
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