ejection sounds

ejection sounds
high-pitched clicking sounds occurring shortly after the first heart sound, at the time of maximal opening of the semilunar valves; seen in patients with abnormalities of these valves or dilatations of the aortic or pulmonary arteries. The sounds may be described as aortic or pulmonic and vascular or valvular. Called also ejection clicks.

Medical dictionary. 2011.

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