NCIt definition : An auscultated finding describing a crisp, sharp sound that can be heard in the midprecordial
location, caused by thickening and deformity of the atrioventricular valve. (ACC/AHA);
Alternative definition : ACC/AHA: An auscultated finding describing a crisp, sharp sound that can be heard
in the midprecordial location, caused by thickening and deformity of the atrioventricular
valve.;