幽门痉挛

例句：

1. 1. He experienced a spasm in his stomach, which made him feel uncomfortable.
   他感到胃部一阵痉挛，感觉很不舒服。
2. 2. The patient was diagnosed with gastric spasms and advised to take medication for relief.
   病人被诊断出患有胃痉挛，并被建议服用药物以缓解症状。
3. 3. During the night, she had several episodes of gastric spasms that required medical attention.
   在夜间，她经历了几次胃痉挛发作，需要医疗关注。