Morphology of the heart Cardiac size and shape
- Slides: 41
Morphology of the heart Cardiac size and shape 成人心臟大小約如緊握的拳 頭，位於胸腔中縱隔(middle mediastinum)之心包膜 (pericardium)內。
Upper border of the heart 主要由左心房構成。 前方有升主動脈 (ascending aorta) 及肺幹(pulmonary trunk)。
Right ventricle 血液流向
Left ventricle: Valves Aortic valves: R’t, L’t, Post. P L R A Valves of pulmonary artery: Ant. R’t, L’t
Conducting system and blood supply
3 nd degree AV block and pacemaker
Arrangement of myocardium and fibrous skeleton of heart
心臟之調控 +: NE, epi, digitalis, Ca ion -: Hypoxia, acidosis, K ion, anathectics
冠狀動脈氣球擴張(percutaneous transluminal coronary angioplasty, PTCA與繞道(coronary artery bypass graft, CABG)手術
心包膜填塞(cardiac tamponade)與放液術 (pericardiocentesis)