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: Bacterial Endocarditis: Gross natural color essentially opened left atrium looking down onto necrotic lesion in posterior leaflet mitral valve quite good 54yowm diabetic with complicated history etiology uncertain but probably group B strep