Gallavardin phenomenon[gahl-ă-var-dan[h]′]


1. dissociation between the noisy and musical elements of the ejection murmur of aortic stenosis, the musical element being better heard at the left sternal border and at the cardiac apex while the noisy element is better heard at the aortic area; projection of the aortic stenotic murmur to the low left sternal edge.

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