医学英语阅读 1.ppt

Case reports part1 Case 1 Acute Ischemic Cardiomyopathy after Extreme Emotional Stress in a Child ABSTRACT Ischemic cardiomyopathy is rare in children. It is usually caused by congenital anomalies of coronary arteries, coronary anomalies after coronary artery transfer, or Kawasaki disease. In recent years, a new cardiac syndrome—named Tako-Tsubo cardiomyopathy for the particular shape of the end systolic ventricle—has been described in adults. In the absence of coronary artery obstruction, it mimics acute myocardial infarction with chest pain and typical electrocardiography changes. Emotional or physical stress usually precedes this cardiomyopathy. At present, this entity has only been described in adults, with a strong predominance in postmenopausal women. We report a case of acute ischemic cardiomyopathy after extreme stress in a child that may share the same pathophysiology. In Panel C, MRI in the long-axis view reveals that the akinetic regions seen on ventriculography are dark and hypoenhanced, consistent with the presence of viable myocardium. Panel D, which is presented for purposes of comparison, shows hyperenhancement (arrow), indicative of necrosis and decreased viability, after an acute anterior myocardial infarction A 20-year-old man who served as a midshipman presented to our cardiology clinic after a chest radiograph that had been obtained as part of the physical examination for military-officer commissioning was found to be abnormal. He said he had no symptoms, and the results of a physical examination were normal. A 20-year-old man who served as a midshipman presented to our cardiology clinic after a chest radiograph that had been obtained as part of the physical examination for military-officer commissioning was found to be abnormal. He said he had no symptoms, and the results of a physical examination were normal. A 20-year-old man who served as a midshipman presented to our cardiology clinic after a chest radiograph tha