男患,35岁,以“恶心、呕吐、呕吐物带有少量宿食一周”入院。既往体健,家族史无特殊。查体;Bp14.7/11kPa,脉搏82次/分,神志清楚,精神欠佳,甲状腺不大,未闻及血管杂音,心肺(-),剑突下压痛(±),B超提示幽门部分梗阻,上消化道钡透:幽门括约肌痉挛?胃镜示幽门管狭窄、粘膜水肿。给庆大霉素、654—2、胃复安、针灸等治疗一月无效。因出现心慌、多汗、HR100～108次/分,行B超检查示 Male suffering, 35 years old, with “nausea, vomiting, vomit with a small amount of food for one week” admission. Previous health, family history no special. Bp14.7 / 11kPa, pulse 82 beats / min, conscious, poor psychology, thyroid is not large, no smell and vascular murmur, cardiopulmonary (-), xiphoid tenderness Barrier, barium through the upper digestive tract: pyloric sphincter spasm? Gastroscopy shows pyloric stenosis, mucosal edema. To gentamicin, 654-2, metoclopramide, acupuncture and other treatment is invalid in January. Because of palpitation, sweating, HR100 ~ 108 beats / min, line B ultrasound examination showed