Myocardial-Infarction-P-019 October 28, 2019 384 × 261 Acute Myocardial Infarction Thrombolysed Following thrombolysis, minimal irregularity (black arrow) of the endothelium is seen. This may be residual thrombus or the remnants of a plaque rupture. Images Courtesy of: Ashley Davidoff, M.D.