The Features of Coronary heart disease (ischemic heart disease)

Coronary heart disease is called "coronary heart disease", also known as "ischemic heart disease." Cardiac blood supply mainly responsible for the occurrence of atherosclerotic coronary artery, causing stenosis, or blockage of blood supply to the heart, rather then completely cut off, leading to nutritional deficiency is caused by myocardial necrosis, resulting in a severe clinical symptoms. Stenosis caused by other reasons, such as coronary artery spasm, also can produce similar clinical manifestations and therefore its total known ischemic heart disease.

The main clinical manifestations of coronary heart disease are angina pectoris, myocardial infarction, arrhythmia, heart failure. Typical angina pain showed the central part of the chest or 1 / 3 can be left shoulder, left arm radiation; its atypical cases may be pain in the lower sternum, upper abdomen, left chest, etc.. The nature of pain to pressure, heaviness, Jinshu feeling, burning sensation based, and the chief complaint of chest tightness were more non-rare. Most of the time pain in the attack last 2-3 minutes, usually less than half an hour. Often a result of strenuous exercise, stairs, weight or emotional excitement, joy, anger, excessive and cold, after eating, and so induced. Frequently there is a sudden heart attack, severe, frequent, prolonged duration of angina than the original, the original can not make it ease the commonly used drugs, pain accompanied by sweating, pale purple, heart rate bradycardia or arrhythmia, cardiac insufficiency and so on.