患者,男性,退休干部,65岁,住院号19043,因右足疼痛半个月,休息时疼痛加剧,间歇跛行入院。高血压病史二十余年,两年前患脑血栓,冠心病史6年,经常有心前区痛闷发作。检查:右足背,右足第二、三、四、五趾,右足掌心处的皮肤呈苍白、紫红和青紫相间,轻度肿胀,压痛明显,足趾青紫处可见三处干性坏死,每处坏死面积约0.3×0.3cm,右 Patient, male, retired cadre, 65 years old, hospital number 19043, pain in right foot for half a month, increased pain at rest, intermittent claudication hospitalization. Hypertension history of more than 20 years ago, two years ago with cerebral thrombosis, coronary heart disease history of 6 years, often with presymptomatic pain onset. Check: right foot, right foot second, three, four, five toe, right foot palm at the skin was pale, purple and purple and white, mild swelling, tenderness evident, toe bruising at three dry necrosis, each necrosis Area of ​​about 0.3 × 0.3cm, right