Unstable angina pectoris(UAP) is a common coronary heart disease with a clinical symptom situated between stable angina pectoria and acute myocardial infarction.

• 不稳定型心绞痛是冠心病中常见的类型,是介于稳定型心绞痛与急性心肌梗死和猝死之间的临床状况。