冠心病是临床上没有一致表现的综合症。通常慢性心绞痛、不稳定型心绞痛、变异性心绞痛或急性心肌梗塞均以胸部疼痛或不适作为主要症状,但是冠状动脉疾病综合征亦可不以其作为主要症状,而包括了心律紊乱和充血性心衰。另外还有一种综合征——隐型冠心病,没有任何心脏症状,其病理生理学、诊断及治疗是长期以来存在争论 Coronary heart disease is a syndrome that is not clinically consistent. Chronic angina, unstable angina, variant angina or acute myocardial infarction are usually the main symptoms of chest pain or discomfort, but coronary syndromes may not be their main symptoms, but include heart rhythm disorders and congestive heart failure . There is also a syndrome - implicit coronary heart disease, without any cardiac symptoms, the pathophysiology, diagnosis and treatment has long been controversial