急性胃炎

例句：

1. 1. He was diagnosed with acute gastritis after a bout of vomiting.
   他因呕吐后被诊断出患有急性胃炎。
2. 2. The patient's condition worsened, and he was admitted to the hospital for treatment of acute gastritis.
   患者的病情恶化，被送往医院接受治疗急性胃炎。
3. 3. Acute gastritis is a serious condition that requires immediate medical attention.
   急性胃炎是一种严重的状况，需要立即就医。