Cardiac tamponade is compression of the heart that occurs when blood or fluid builds up in the space between the myocardium (heart muscle) and the pericardium (outer covering sac of the heart).
Tamponade; Pericardial tamponade
In this condition, blood or fluid collects in the pericardium. This prevents the ventricles from expanding fully. The excess pressure from the fluid prevents the heart from functioning normally.
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