What are the symptoms of myocardial infarction

summary

Most patients had fatigue, chest discomfort, palpitation, shortness of breath, irritability, angina pectoris and other prodromal symptoms several weeks before onset. Among them, new angina pectoris, primary angina pectoris or aggravation of original angina pectoris (vicious angina pectoris) were the most prominent. The symptoms were as follows

What are the symptoms of myocardial infarction

First, pain is the first symptom, the location and nature of pain are the same as angina pectoris, most of which have no obvious inducement. It often occurs in quiet time, with severe degree and long duration, up to several hours or days. Rest and nitroglycerin tablets can not relieve it. Patients are often restless, sweating, scared, or dying. A few patients had no pain and showed shock or acute heart failure at the beginning. Some patients had pain in the upper abdomen, which was mistaken for acute abdomen such as gastric perforation and acute pancreatitis. Some patients had pain radiating to the neck and upper back, which was mistaken for bone and joint pain.

Second, the systemic symptoms include fever, tachycardia, leukocytosis and erythrocyte sedimentation rate. The body temperature is generally about 38 degrees, rarely more than 39 degrees, lasting about a week.

Third: arrhythmia occurs in 75% ～ 95% of patients, mostly within 1-2 weeks of onset, and most frequently within the first 24 hours, accompanied by fatigue, dizziness, fainting and other symptoms.

matters needing attention

Myocardial infarction is one of the common causes of death in the elderly. However, there are usually early symptoms before myocardial infarction, such as severe chest pain accompanied by cold sweat, restlessness, fear, pale complexion and so on, which are often the early symptoms of myocardial infarction and should be closely observed.