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GI
GI
7
Medical
Graduate
10/03/2009

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Cards

Term
Causes of Vomiting
Definition
**not usually GI***
1. Alimentary disorder (irritation, inflamation, motility, mechanial disturbances in GI)
2. hepatobiliary (pancreatitis, obstruction)
3. acute systemic infection
4. CNS disorder (increased ICP, stroke, migraine, finfection, toxins, RT sickness)
5. Labyrinth disorder (motion sickness, infection, Meniere's)
6. Endocine(DKA, adrenocortical crisis, pregnancy, starvation, lactic acidosis
7. GU(uremia, infection, obstruction)
8. CV(MI, CHF)
9. Drugs (narcotics, meperidine, ETOH, anesthetics, anti-cancer)
10. psychological(from pain, fear, displeasure, anxiety, anorexia, bulimia, psychoses)
11. infection
12. radiation
Term
Complications of Vomiting
Definition
1. fluid/electrolyte distrubaces
2. aspiration pneumonia
3. gastroesophageal mucosal tear (Mallory-Weiss Syndrome)
4. malnutrition
5. ruptured esophagus
Term
Duration of severe vomiting
Definition
more than 10x / 24hrs for more than 3 days
Term
How is simple vomiting treated?
Definition
nothing, limit intake but taking care not to dehydrate
Term
How is severe vomiting treated?
Definition
1. treat underlying condition
2. fluids and nutrition (NPO)
3. Medication (anihistamines, phenothiazines, metoclopromide, odansetron)
4. sedatives +/- anicholinergics
Term
Pros/cons of medical treatment of vomiting
Definition
**not with pregnancy
*don't mask an illness
antihistamines: good for vestibular issues
phenothiazine/compazine: can be given rectally, used in most cases
metoclopromide/reglan: used for diabetic gastroparesis, n/v of chemo, black box warning for dyskinesia
Odansetron(Zofran): post op, chemo
Term
Treatments of Chemo related emesis
Definition
5-HT3 receptor Antagonists
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