BACKGROUND: Low-pressure cardiac tamponade is a form of cardiac tamponade in which a comparatively low pericardial pressure results in cardiac compression because of low filling pressure.

Cardiac tamponade occurs when a pericardial effusion exerts a significant ... reflects a decrease in systolic blood pressure with inspiration of more than 12 mmHg. Pulsus paradoxus also occurs ...

Medically reviewed by Christopher Lee, MD Beck's triad is a term used to describe a set of symptoms that can indicate a severe heart problem. It consists of three symptoms that often occur together: ...

This hemodynamic effect of a large pericardial effusion causing cardiac tamponade is referred to ... only small changes in measured systolic blood pressure ― no more than 10 mm Hg.