1病例资料患者男,78岁。因活动后或餐后恶心、腹胀、食欲不振、胃部疼痛半年,近几日加重来院就诊。患者半年来经常出现活动后或餐后胃部不适疼痛、恶心、腹胀,休息3～5min后疼痛可自行缓解,近1周病情加重,胃部疼痛发作频繁,于一次步行300米左右即发生伴呼吸短促及轻微胸闷感。 1 case information patient male, 78 years old. After the event or postprandial nausea, bloating, loss of appetite, stomach pain for six months, in recent days to increase hospital treatment. Patients often appear after half an year of activity or postprandial stomach discomfort pain, nausea, bloating, rest 3 to 5 minutes after the pain can relieve itself, aggravate the recent 1 week, frequent episodes of stomach pain occurred in a walk about 300 meters Shortness of breath and slight chest tightness.