Regional myocardial infarction of low-flow type in a neonate with tricuspid atresia.
Clinical and anatomical data are presented on a neonate with tricuspid atresia, who died at 16 hours with a regional, nontransmural myocardial infarcti after clinical documentation of akinesis. A partially occlusive intimal lesion associated with acute angulation of the right coronary artery was noted in an area of fibrosis that included the atretic tricuspid valve. Low-flow myocardial infarction was found in the posterior part of the left ventricle in an area supplied by the right coronary artery distal to the arterial lesion.
D003251:Constriction, Pathologic / Q000150:complications; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000473:pathology*; D009203:Myocardial Infarction / Q000209:etiology / Q000473:pathology*; D009206:Myocardium / Q000473:pathology; D014261:Tricuspid Valve / Q000002:abnormalities*