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Location refers to where the heart murmur is usually heard best. There are four places on the anterior chest wall to listen for heart murmurs. Each location roughly corresponds to a specific part of the heart. [3] Health care providers listen to these areas with a stethoscope.
These are the first heart sound (S 1) and second heart sound (S 2), produced by the closing of the atrioventricular valves and semilunar valves, respectively. In addition to these normal sounds, a variety of other sounds may be present including heart murmurs, adventitious sounds, and gallop rhythms S 3 and S 4.
Heart murmurs are sounds generated by blood flowing through the structures of the heart. The location of the Still's murmur on examination suggests resonation of blood in the left ventricular outflow tract and aorta, and this is supported by studies that have shown that the murmur is more intense over the aortic valve than the pulmonary valve. [4]
A murmur is an extra heart sound that can be heard by a stethoscope. Sometimes, a murmur sounds like a humming sound, which can be faint or loud. It might be temporary or persistent.
Many innocent murmurs also arise from this location but S1 and S2 must split normally. Mid-systolic ejection Dilation of aortic root or pulmonary artery Produces an ejection sound, with a short ejection systolic murmur and a relatively wide split S2. There is no hemodynamic abnormality.
Cardiac physiology or heart function is the study ... Heart murmurs are abnormal heart sounds which can be either pathological or benign ... and other locations ...
The murmur usually does not extend to S1. Early diastolic Left anterior descending artery stenosis This murmur, also known as Dock's murmur, is similar to that of aortic regurgitation and is heard at the left second or third intercostal space. A Coronary artery bypass surgery can eliminate the murmur. Early diastolic Cabot–Locke murmur
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