- Membrane that consists of two layers surrounding the heart.
- Normally minimal fluid within this space usually less than 50ml.
- Accumulation of fluid results in high intrapericardial pressure which can result in compression of the cardiac chambers.
- The right ventrical is more sensitive to changes in intrapericardial pressure.
- Shortness of Breath
- Elevated JVP (Blunted Y-Descent)
- Muffled Heart Sounds
- Classic “Beck’s Triad” (Elevated JVP, Hypotension, muffled heart sound) rarely seen.
- Pulsus Paradoxus: Reduction of systolic blood pressure of more than 10mmHg on inspiration.