Massive hemopericardium can cause sudden death.

Triggering event:

(1) direct pericardial invasion of a mediastinal neoplasm

(2) dissecting aortic aneurysm

(3) syphilic aortic aneurysm

(4) blunt cardiac trauma

(5) rupture of a myocardial abscess

(6) coronary artery rupture



(1) sudden hemorrhage into the pericardial space

(2) limited ability of the pericardial sac to expand

(3) cardiac tamponade with cardiogenic shock and pulmonary edema

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