Medical Term:

pseudoaneurysm

Pronunciation: sū′dō-an′yū-rizm

Definition:

  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

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