心内膜与心外膜血供模式 Artery DIASTOLE Vein Artery SYSTOLE Vein 80 4-8→ →0120 20-50 0 0 20 20 Epi Epi 5 5 65 上4 165 大下 10 10 120 11120 Endo 下下 Endo 5-10 mm Hg 120 mm Hg LV cavity LV cavity A B Second Clinical Medical College of Southern Medical UniversitySecond Clinical Medical College of Southern Medical University 心内膜与心外膜血供模式 16