Fig. 1From: Myocardial histology and outcome after cardiopulmonary bypass of neonatal pigletsHematoxylin and Eosin (H&E) staining of myocardial tissue (25× magnification) after cardiopulmonary bypass. a presents nearly normal tissue (grade 0), b shows grade 1 with beginning endothelial damage, c presents grade 2 with mild infiltration of inflammatory cells and focal bleeding, and d demonstrates grade 3 severe damage and infiltration of granulocytesBack to article page