由于冠状动脉循环功能不全,血氧供应暂时不能满足心肌的需要,致使心肌暂时缺血,其所引起的临床症状群,称为心绞痛。典型的心绞痛,是心前区或胸骨后发生突然的疼痛,有压迫、紧束、沉重或窒息等不适感觉。疼痛常有放射。体力负荷、情绪激动、饱膳、寒冷刺激等诱发之。可以通过休息、消除诱因,或使用亚硝酸盐后得以控制。 Due to incomplete coronary circulation, oxygen supply temporarily unable to meet the needs of the myocardium, resulting in temporary ischemia of the heart, which caused by the clinical symptoms, known as angina. Typical angina pectoris is sudden pain in the anterior or sternal area, with uncomfortable feeling of oppression, tightness, heavy or suffocation. Often the pain of radiation. Physical exertion, emotional, full meal, cold stimulation induced. It can be controlled by rest, elimination of triggers, or use of nitrite.