Term
|
Definition
| -R and L located above semilunar valves (above aortic valve) |
|
|
Term
|
Definition
4 major veins drain into coronary sinus into R. atria
-Great, Middle, Small, [and oblique] cardiac veins |
|
|
Term
| Right coronary artery (RCA) branches: |
|
Definition
1. SA nodal
2. Right marginal
3. Posterior Interventricular
4. AV nodal |
|
|
Term
| RCA as a whole supplies the: |
|
Definition
1. Right atrium
2. Right ventricle
3. IV septum (post. 1/3)
4. SA and AV nodes
*Variable distribution to left atrium and ventricle |
|
|
Term
| Left Coronary Artery (LCA) branches: |
|
Definition
1. Anterior interventricular (Left Anterior Descending-LAD)
-Diagonal branch
2. Circumflex
-Left marginal |
|
|
Term
|
Definition
1. LA
2. LV
3. Portion of RV
4. IV septum (anterior 2/3)
5. AV node
-SA node in 40% of population |
|
|
Term
|
Definition
LCA Circumflex - RCA
Anterior IV/LAD (LCA) - Posterior IV (RCA) |
|
|
Term
| Dominance of heart depends on its origination |
|
Definition
| Posterior IV A. (RCA normally) |
|
|
Term
|
Definition
Slow vs. Sudden
-Result: reduced blood supply to myocardial tissue |
|
|
Term
| Coronary Artherosclerosis |
|
Definition
-Lipid deposits in intima of coronary arteries (continuous with endomyocardium)
-Slow progression=collateral circulation forms
-Rest vs. strenuous activity |
|
|
Term
| Myocardial Infarction (MI) |
|
Definition
-Embolus- SUDDEN occlusion of major artery
-Region of occluded heart become infarcted (bloodless)
-Become necrotic |
|
|
Term
|
Definition
| Coronary artery insufficiency from arteriosclerosis |
|
|
Term
| Atherosclerosis Treatment |
|
Definition
1. Coronary Angioplasty- catheter balloon flattens plaque
2. Thrombolytics (thrombokinase/tPA)- time sensitive (3%, 3hr)
3. Intravascular stent, placed after 1 or 2, to maintain dilation |
|
|
Term
| Coronary Artery Bypass Graft (CABG) |
|
Definition
Arterial- internal thoracic, radial, gastropiploic, inferior epigastric
Venous- great saphenous, small saphenous
Single through quintuple bypass
Attach L. subclavian distal to blockage |
|
|
Term
| Small cardiac vein runs with |
|
Definition
|
|
Term
| Middle cardiac vein runs with |
|
Definition
|
|
Term
| Great cardiac vein runs with |
|
Definition
|
|
Term
|
Definition
|
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