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Nausea & Vomiting . Nausea & Vomiting . Nausea: inclination to vomit. Vomiting: ejection or expulsion of gastric contents through the mouth. Phases of emesis. Nausea : imminent need to vomit → associated with gastric stasis. Retching : labored movement of abdominal & thoracic muscles.

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Nausea vomiting1
Nausea & Vomiting

  • Nausea: inclination to vomit.

  • Vomiting: ejection or expulsion of gastric contents through the mouth.


Phases of emesis
Phases of emesis

  • Nausea: imminent need to vomit → associated with gastric stasis.

  • Retching: labored movement of abdominal & thoracic muscles.

  • Vomiting: forceful expulsion of gastric contents due to GI retroperistalsis.






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