Abstract
IN THE rapidly expanding literature on nonpenetrating injury to the human heart, there is scant reference to direct damage to the coronary arteries by such blunt injury. A rare case of this type, with detailed clinical and postmortem studies, is reported at some length, as it appears to be an authenticated instance of thrombosis of the coronary artery with consequent myocardial infarction, produced by a contusion of the anterior wall of the chest. REPORT OF A CASE C. B., a woman, was first admitted to the Mount Sinai Hospital in November 1945, when she was 49 years of age. Renal disease of unspecified type developed at the age of 31, during her second pregnancy. At the age of 37, a laparotomy was performed with the removal of a pelvic tumor; postoperative radiation treatment was given. Early in 1945, hypertension was first brought to her attention. The systolic reading was then