First Heart Sound Ventricular Systole
The first heart sound, often referred to as S1, is a critical component of cardiac auscultation and is closely associated with the beginning of ventricular systole. Understanding this sound is essential for healthcare professionals, students of medicine, and anyone interested in cardiovascular physiology. S1 represents the closure of the atrioventricular valves-the mitral and tricuspid valves-marking … Read more