Premonitory symptoms of myocardial infarction

summary

Myocardial infarction is myocardial necrosis caused by acute and persistent ischemia and hypoxia of coronary artery. Clinically, most patients have severe and persistent retrosternal pain, which can not be completely relieved by rest and nitrates, accompanied by increased serum myocardial enzyme activity and progressive ECG changes. They can be complicated with arrhythmia, shock or heart failure, and often life-threatening. I'll talk about the symptoms of myocardial infarction.

Premonitory symptoms of myocardial infarction

For people without angina pectoris symptoms, the first angina pectoris usually occurs after emotional excitement, excessive exertion or full meal, and the upper or middle sternal compression like pain, accompanied by chest tightness and suffocation. This is due to severe myocardial ischemia and hypoxia, excessive accumulation of metabolites, stimulation of cardiac autonomic nerve afferent fiber terminals, causing severe pain.

In the past, there was angina pectoris, but recently, the number of angina pectoris attacks has increased significantly. Even slight activities can cause angina pectoris, and even at rest. In other words, the number of angina pectoris will completely affect your daily normal work and life.

The duration of angina pectoris was prolonged and the pain was aggravated. Previously, sublingual nitroglycerin was ineffective. These symptoms are acute coronary syndrome. Acute coronary syndrome (ACS) is caused by the rupture of atherosclerotic plaque, surface damage or cracks in the coronary artery, followed by bleeding and thrombosis, resulting in incomplete or complete occlusion of the coronary artery.

matters needing attention

In daily life, pay attention to full rest, avoid emotional excitement, excessive tension or overwork. To eat less animal fat and dairy products, eat foods rich in vitamins, avoid overeating.