What symptom is mi

summary

Myocardial infarction is mainly due to lipid deposition or plaque shedding in the coronary artery which nourishes the myocardium, resulting in vascular stenosis or even occlusion, blood flow can not pass through normally, resulting in corresponding myocardial ischemia and hypoxia, and then myocardial infarction. The main clinical manifestations of myocardial infarction are chest tightness, chest pain, palpitation and shortness of breath. If the infarction area is large, there may be serious consequences such as acute heart failure, arrhythmia and even sudden cardiac death. What is the symptom of myocardial infarction? Let me talk about it.

What symptom is mi

First, prodromal symptoms. A few days or a week before the onset of myocardial infarction, there are often prodromal symptoms of aggravation of chest tightness and chest pain, which are characterized by longer duration of chest tightness and chest pain, aggravation of the degree of pain. After rest or sublingual nitroglycerin, the effect of relieving the above symptoms is not as good as before.

Second: typical myocardial infarction often presents as severe precordial or retrosternal pain, strangulation, accompanied by radiation pain in the left shoulder and upper limb, lasting for more than ten minutes or even half an hour, the pain can not be relieved, accompanied by continuous chest tightness, sweating, restlessness, near death or suffocation, sublingual nitroglycerin can not relieve the above symptoms. And some atypical patients also have epigastric pain or neck tightness, tooth pain as the main performance.

Third: if the infarct area is large, patients can also have various types of arrhythmias, manifested as palpitations, palpitations, but also combined with acute heart failure, manifested as shortness of breath, dyspnea, sitting breathing, sweating, restlessness, mouth cyanosis; Some patients suffered from cardiogenic shock due to sudden decrease of blood volume, manifested as cold and wet limbs, increased heart rate, decreased blood pressure and pale complexion.

matters needing attention

In peacetime to pay attention to healthy diet, do not eat spicy food. Ensure adequate sleep and improve sleep quality. Strengthen physical exercise and improve physical quality. Pay attention to the combination of work and rest.