Symptoms of heart attack and myocardial ischemia include chest pain, chest tightness, palpitations, profuse sweating, nausea, vomiting, and radiating pain in other areas (e.g., sore throat).
1. Heart attack is a clinical syndrome caused by myocardial ischemia, which occurs on the basis of the pathology of coronary atherosclerosis unstable plaque rupture or erosion leading to thrombosis in the coronary arteries, myocardial ischemia, hypoxia and necrosis after a series of clinical symptoms.
2. The most common and typical symptom of infarction and myocardial ischemia is precordial pain, chest pain can be a little light when myocardial ischemia is mild, myocardial ischemia is more serious when it leads to infarction can appear in the precordial region of the crushing pain, persistent unrelieved.
Heart attack and myocardial ischemia are acute and serious illnesses, and once they occur, they should be seen and treated immediately to avoid delays.