pulsatile hematoma


pseu·do·an·eu·rysm

(sū'dō-an'yū-rizm), 1. Pulsating, encapsulated hematoma in communication with the lumen of a ruptured vessel. 2. Ventricular pseudoaneurysm, a cardiac rupture contained and loculated by pericardium, which forms its external wall. 3. An aneurysm the walls of which consist of adventitia and periarterial fibrous tissue and hematoma. Synonym(s): communicating hematoma, false aneurysm, pulsatile hematoma