03-21-2008, 08:50 AM
60-year-old man had chest pain and was hospitalized. On the first day of admission, his CK-MB fraction was 9.8% of a total CK of 423 U/L. A coronary angiogram revealed 75% stenosis of the left anterior descending artery. Four days later he suddenly becomes worse, with marked hypotension. A pericardiocentesis is performed and returns 150 cc of bloody fluid. Despite agressive resuscitative measures, he expires. Which of the following microscopic findings is most likely to be present in his left ventricular myocardium at the time of his death?
A Extensive transmural collagen deposition
B Lymphocytic interstitial infiltrates
C Perivascular and interstitial amyloid deposition
D Necrosis with neutrophils and macrophages
E Edema and loss of cross striations
A Extensive transmural collagen deposition
B Lymphocytic interstitial infiltrates
C Perivascular and interstitial amyloid deposition
D Necrosis with neutrophils and macrophages
E Edema and loss of cross striations