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opening snap


Definition: a sharp, high-pitched click in early diastole, usually best heard between the cardiac apex and the lower left sternal border, related to opening of the abnormal valve in cases of mitral stenosis.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.