Fig. 21From: Clinically integrated multi-organ point-of-care ultrasound for undifferentiated respiratory difficulty, chest pain, or shock: a critical analytic reviewCardiac tamponade physiology. (Left) Cardiac tamponade physiology, demonstrating reduced and aggravated variation of mitral valve inflow velocity. (Right) Post-pericardiocentesis: significant improvement in mitral valve inflow velocityBack to article page