不稳定型心绞痛是介于慢性稳定型心绞痛和心肌梗塞之间的一个临床综合征。该病伴一过性异常Q波,临床少见。我院曾收治1例,现报告如下。患者女性,76岁。一周来因劳累而出现胸闷及双下肢膝下部位痛,常干活动后发作,每次历时30—60分钟,服硝酸甘油不缓解。于1992年4月13日上午8时以双下肢动脉血栓形成入院。检查;脉搏110次/分,血压16.66/6.67kPa。口唇无紫绀,双肺正常,心界向左下 Unstable angina is a clinical syndrome between chronic stable angina and myocardial infarction. The disease with transient abnormal Q waves, clinical rare. I have admitted to hospital in 1 case, are as follows. Patient female, 76 years old. A week due to fatigue and chest tightness and lower limb pain in the lower limb, often dry after the attack, each time 30-60 minutes, serving nitroglycerin does not ease. On April 13, 1992 at 8 am to lower extremity arterial thrombosis admission. Check; pulse 110 beats / min, blood pressure 16.66 / 6.67kPa. Lips without cyanosis, normal lungs, heart to the left