Gastric retention

Gastric retention or delayed gastric emptying refers to the accumulation of gastric contents without timely emptying. Those who vomited food that was taken 4-6 hours ago, or had been on an empty stomach for more than 8 hours, and the residual amount in the stomach was more than 200ml, indicated that gastric retention was present. The disease is divided into organic and functional. The former includes pyloric obstruction caused by peptic ulcer, and pyloric obstruction caused by primary or secondary cancerous tumor compression and obstruction of gastric antrum and its adjacent organs.

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