What symptom is myocardial infarction

summary

Myocardial infarction is caused by coronary atherosclerosis thrombosis, coronary artery branches blocked, so that part of the myocardial blood supply and necrosis of the disease. So, what are the symptoms of myocardial infarction?

What symptom is myocardial infarction

First: when the rest or nocturnal precordial pain occurs, it is highly suspected that "myocardial infarction" attack, generally at night or after the rest of the new angina pectoris, are "myocardial infarction" attack precursor.

Second: people with angina pectoris in the past, if the symptoms of angina pectoris gradually worsen or the frequency of chest pain is more frequent than before, the degree of chest pain is more and more serious, the scope of chest pain is larger, and the duration is longer, they also need to be highly vigilant against the attack of "myocardial infarction". In addition, angina pectoris attack, sublingual nitroglycerin after chest pain symptoms in 15-20 minutes can not be effectively relieved, but also to guard against "myocardial infarction" appear.

Third: when the symptoms of chest tightness, fatigue and palpitation never appear before, or the symptoms of palpitation and shortness of breath appear during activities, or the symptoms are aggravating, and the trend is gradually aggravating, you also need to see a doctor immediately.

matters needing attention

Although suffering from angina pectoris, can find obvious inducing factors, such as fatigue, excitement, but if there is no obvious inducement in the quiet state, also have chest pain symptoms, at the same time with sweating, vomiting, nausea, etc., need to see a doctor in time.