Ischemic Heart Disease Facts And Overview

Ischemic Heart Disease Facts And  Overview

Cardiac ischemia is mostly  due to coronary artery disease; it is common cause of Mortality in the US . It is always seen in middle-age male and postmenopausal female.

Ischemic Heart Disease:

Defined as any of a group of acute or chronic cardiac diseases resulting from inadequate supply of oxygenated blood to the heart.

Causes of Ischemic Heart Disease:

1-Decrease in blood flow: -Conroy vessel occlusion (e.g., with atherosclerotic plaque, thrombus) -Vasospasm (stress, hypertension …)

2-Decrease in amount of oxygenated blood reaching the heart: -Anemia -Carboxyhemoglobinemia -Hypotension

3-Increase in myocardial O2 demands: -Thyrotoxicosis -increase work load

Ischemic Heart Disease Can be :

1-Angina pectoris: is due to transient cardiac ischemia without cell death resulting
in substernal chest pain.

2-Myocardial infarction (MI): occurs when a localized area of cardiac muscle under-goes coagulative necrosis due to ischemia.

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