A. Coronary Blood Flow Systole o 120 Diastole 冠状动脉 Aorta 血流特点 ww 80 100 B.Pressure Gradients in Myocardium- Aorta 120/80mmHg Left 60 Left Right coronary a. coronary a. 120/80mmHg 120/80mmHg (uwnw) 28 coronary a. (Kne7 pue Right RV L120/84 MO 15 25/3 coronary a. 10 eueg Transmural Transmural pressure gradient eye) pressure gradient high: 50 low: systolic120®0 systolic25®0 diastolic8®o 0.2 0.4 0.6 0.8 1.0 diastolic3→0 Time (s) (after Ross) Second Clinical Medical College of Southern Medical University 冠状动脉 血流特点