患者男，64岁，农民，于1992年1月入院。冠心病史10余年，服用消心痛等药物。无关节炎及下肢外伤史。入院前2天始出现右小腿前部疼痛，无明显胸闷，服用消心痛后疼痛可有减轻。12小时前疼痛加剧，伴有胸闷、出汗、不能行走，小腿局部按摩无效，进院就诊。体格检查：血压15／9kP Male patient, 64 years old, farmer, was admitted to hospital in January 1992. Coronary heart disease more than 10 years, taking other anti-heartache and other drugs. No history of arthritis and lower extremity trauma. 2 days before admission right before the onset of pain in the lower right leg, no obvious chest tightness, taking after the reduction of pain after consumption of heart pain can be reduced. Pain intensified 12 hours ago, accompanied by chest tightness, sweating, can not walk, invalid local calf massage, hospital treatment. Physical examination: blood pressure 15 / 9kP