Lub Dub Sounds Of The Heart -

If these pauses are uneven, or if the sounds are muffled, it can provide a physician with vital clues about a person's cardiovascular health. Beyond the Lub-Dub: Gallops and Murmurs

The lub-dub sound is generated by the opening and closing of the heart's valves, specifically the atrioventricular (AV) valves and the semilunar valves. The AV valves, comprising the mitral and tricuspid valves, separate the atria and ventricles, while the semilunar valves, consisting of the aortic and pulmonary valves, separate the ventricles and the aorta and pulmonary artery, respectively. lub dub sounds of the heart

“The lub is the go,” Grandfather said, tapping her knee. “The dub is the stop and rest. Then go again. Over and over, every second of every day, without you ever having to think about it.” If these pauses are uneven, or if the