What symptom does myocardial necrosis have

summary

The occurrence of myocardial necrosis in life has seriously affected the healthy life of female friends, myocardial infarction is mainly due to coronary atherosclerosis, it is a relatively difficult to cure a good disease, vascular occlusion eventually led to myocardial ischemia and hypoxia, which led to the symptoms of myocardial infarction, myocardial infarction if rescue is not timely will lead to the death of patients. What symptom does myocardial necrosis have to tell everybody.

What symptom does myocardial necrosis have

About 1 / 3 of the patients with gastrointestinal symptoms and pain had nausea, vomiting and epigastric distension in the early stage of the disease, which was related to the stimulation of the vagus nerve by necrotic myocardium, the decrease of cardiac output and the insufficiency of tissue perfusion; Flatulence is not uncommon; Hiccup may occur in severe cases.

The main systemic symptoms were fever, tachycardia, leukocytosis and erythrocyte sedimentation rate, which were caused by the absorption of necrotic substances. Generally, it appears 24-48 hours after the occurrence of pain, and the degree is often positively correlated with the infarct size. The body temperature is generally around 38 ℃, rarely more than 39 ℃, lasting for about a week.

Pain is the first symptom. The location and nature of pain are the same as angina pectoris, but it often occurs in quiet or sleep. The degree of pain is severe, the scope is wide, and the duration can be as long as several hours or days. Rest or nitroglycerin tablets can not relieve it. Patients are often restless, sweating, afraid, and have a sense of dying. In our country, about 1 / 6-1 / 3 patients have atypical pain in nature and location, such as in the upper abdomen, which is often mistaken for acute abdomen such as gastric ulcer perforation or acute pancreatitis; Located in the mandible or neck, it is often mistaken for osteoarthritis. Some patients had no pain, most of them were diabetics or the elderly, and they showed shock or acute heart failure at the beginning; A small number of patients had no pain or other symptoms during the whole process, but had myocardial infarction later.

matters needing attention

When the onset of myocardial infarction, the patient can feel squeezing pain behind the sternum, the mood becomes abnormal irritable, the body sweating a lot, at the same time, there is fear, or lead to shock and acute heart failure.