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Vomiting
Definition
Vomiting (or emesis), which is the forceful ejection of contents of
the upper gut through the mouth.
Terms often confused with vomiting
- Retching involves coordinated, voluntary muscle activity of the abdomen
and thorax--in effect, a forced respiratory inspiration against a closed
mouth and glottis without discharge of gastric contents from the mouth.
- Regurgitation is the effortless return of gastric or esophageal contents
into the mouth without nausea, and it occurs without spasmodic, abdominal,
thoracic, or gastrointestinal muscular contractions (i.e. Retchinq).
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