Coronary circulation of the heart

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This brief video tutorial discusses why the heart needs its own circulatory system, identifies the principle coronary arteries and cardiac veins and briefly discusses coronary dominance.
0:00. Introduction
0:19. What is the coronary circulation?
2:14. Function of coronary arteries
2:27. Coronary arteries are "end arteries" (at 3:19 i am sorry for my mistake ... cardiac arrest is NOT the same as a heart attack)
3:43. Right coronary artery (RCA)
5:04. Sinuatrial nodal (SA) artery
5:18. Right marginal artery (acute marginal artery)
6:01. Posterior descending artery (PDA)
6:50. Definition of coronary dominance (right dominant, left dominant, co-dominant)
AV nodal artery
8:50. Left coronary artery (LCA)
9:33. Left anterior descending artery (LAD); Anterior interventricular artery
10:39. Left circumflex artery (LCX)
11:27. Left marginal artery (obtuse marginal artery)
12:01. Cardiac veins (coronary sinus, great cardiac vein, middle cardiac vein, small cardiac vein)
13:34. Regulation of blood flow in coronary circulation
14:15. In-a-nutshell
15:05. References