First Aid Cardiology, Anatomy
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5 terms
Terms | Definitions |
|---|---|
 What is the anterior (sternal) surface of the heart? | Right ventricle |
| What is the posterior surface of the heart? | Left atrium |
| Which layer of the heart is most prone to ischemic injury? | Subendocardial layer because it is the zone furthest from either blood supply. epi-, myocardium are supplied by coronary vessels, while endo cardium is supplied by the blood in the heart. |
| Where do the branches for the abdominal aorta originate? | T12: celiac trunk L1: Superior mesenteric L2: Renal aa L3: Inferior mesenteric L4: Aortic bifurcation into common iliac aa |
| From where do the electrical centers of the heart receive blood? | Sinoatrial node: SA nodal artery from right coronary artery. Atrioventricular node: AV nodal artery from right coronary artery. |
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