Angina pectoris refers to a clinical syndrome characterized by paroxysmal chest pain or chest discomfort caused by insufficient coronary blood supply and acute and temporary myocardial ischemia and hypoxia. It is characterized by paroxysmal chest squeezing pain, which may be accompanied by other symptoms. The pain is mainly located behind the sternum and can radiate to the precordial area and the left upper limb. It often happens in labor or emotional excitement, and it can be once a few days or several times a day after rest or nitrate preparation. This disease is more common in men, and patients are more than 40 years old. Fatigue, emotional excitement, satiety, cold, rainy weather and acute circulatory failure are common causes.

Typical angina pectoris attack is that angina pectoris located in the upper or middle sternum suddenly appears squeezing, flatulence or suffocating pain, and it can also spread to most of the distracted anterior region, radiating to the left shoulder and the anterior medial side of the left upper limb, reaching the ring finger and little finger, occasionally accompanied by fear of dying, often forcing patients to stop moving immediately, and in severe cases sweating. The pain lasts 1 ~ 5 minutes, rarely exceeding 15 minutes; Resting or tablets containing nitroglycerin disappear within 1 ~ 2 minutes (rarely more than 5 minutes). Physical fatigue, emotional excitement (anger, anxiety and excessive excitement), cold, satiety and smoking can also induce anemia, tachycardia or shock.

The main ingredient of coffee is caffeine. Caffeine has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system.

Angina pectoris is clinically divided into three categories. In view of your above description, friends suggest going to the hospital for a systematic examination, strengthening physical exercise, and maintaining good life patterns and eating habits (coffee, cigarettes, wine, tea, etc. You can quit if necessary. )