The blood supply of the human myocardium is regional, i.e. each major branch of the coronary arteries supplies a discrete segment of the myocardium. In the normal human heart connections exist between adjacent coronary artery branches but are not functional as collaterals unless stenosis has caused a pre-existing pressure differential between the two systems. Myocardial infarction usually means a regional area of necrosis due to ischemia. Other forms of ischemic myocardial necrosis also occur.

Your Heart and Nutrition

Your Heart and Nutrition

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