projectile vomiting

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projectile vomiting2016-11-23T20:09:38+00:00

projectile vomiting

GASTROENTEROLOGY 

Definition A popular term for violent or “explosive” vomiting without antecedent nausea, or vomiting at the peak of maximum inspiration without the usual rhythmic hyperactivity of the respiratory muscles associated with retching*.

*Diaphragmatic spasms that typically precede vomiting

Aetiology Gastric outlet obstruction–e.g., (hypertrophic) pyloric stenosis, hiatus hernia, gastric volvulus, duodenal atresia, duodenal stenosis, jejunal atresia and superior mesenteric artery syndrome; it may also be triggered by increased intracranial pressure, as occurs in meningitis in young children. 

Synonyms Cerebral vomiting, explosive vomiting, forceful vomiting 

Reference http://en.wikipedia.org/wiki/Vomiting

 

 

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