Lecture 4 - Nausea and Vomiting.pptx - Nausea and vomiting DR MOHAMMAD MAJED AL AHMAD Objectiv es At the end of the lectures the students should be able

Lecture 4 - Nausea and Vomiting.pptx - Nausea and vomiting...

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Nausea and vomiting DR MOHAMMAD MAJED AL AHMAD
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Objectiv es At the end of the lectures, the students should be able to: 1.Be familiar with different etiology of nausea and vomiting 2.Know the non-pharmacologic treatment of nausea and vomiting 3.Know different OTC pharmacologic option available for treatment of nausea and vomiting 4.Know how to manage nausea and vomiting in pregnancy
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I. General Considerations A.Definitions: 1. Nausea refers to the sensation that one is about to vomit 2. Vomiting is the forceful expulsion of gastric contents through the mouth. B. Physiology: Vomiting is coordinated by the vomiting center in the medulla . 3. Stimuli from the peripheral nervous system & within the CNS act on the vomiting center 4.Responding to these impulses, the vomiting center stimulates the abdominal muscles, stomach, & esophagus to induce vomiting.
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I. General Considerations Continuation C. Etiology: 1. Stimulation of the Chemoreceptor Trigger Zone (dopamine, opiate receptors) a. drugs: cancer chemotherapy, narcotics, digoxin, antibiotics.
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  • Fall '18
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