Heart Murmurs (Abnormal Heart Sounds) Types, Causes, Symptoms
The heart is a muscular pump that fills with blood when the muscle relaxes (diastole) and forces blood out during contraction (systole). The heart sounds are normally a ‘lub dub’ sound when heard with the aid of a stethoscope. It is a result of the closing or snapping back of the heart valves and the flow of >> Read More ...