| ejection sound |
High frequency "clicky" sounds occuring shortly after the first sound with the onset of ventricular ejection. They are produced by the opening of the semilunar valves (aortic or pulmonic) either when one of these valves is diseased or when ejection is rapid through a normal valve. They are heard best at the base and may be of either aortic or pulmonic origin.Ejection sounds of aortic origin are heard anywhere on a straight line from base right (where they are best heard) to the apex. ...
출처: sprojects.mmi.mcgill.ca/mvs/GLOSSARY/E.HTM
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| ejection sound |
Any noise made during cardiac systole by the valves of the heart or the root of the aorta.
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