PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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GROSS: CARDIOVASCULAR: HEART: Sinus Of Valsalva Aneurysm Ruptured: Gross natural color view from left atrium of left sinus aneurysm that is pointing into left atrium through mitral ring at anterior mitral commissure most unusual lesion