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: Aortic valve: Aortic Insufficiency: Gross natural color opened left ventricle and aortic valve showing thickened cusps with one area of commissure separation first portion aortic arch is dilated and looks like syphilitic aortitis case looks like syphilis but serology apparently was negative