Nausea and Vomiting Flashcards
Where is the vomiting center?
Medulla oblongata
What causes motion sickness?
Overstimulation of labyrinth
How do you treat motion sickness?
Antihistamine
What should be the 1st line Tx for nausea/vomiting for pregnant women?
Pyridoxine (Vit. B6)
What nerve is involved in acute gastroenteritis?
Visceral afferent nerve
How do you treat acute gastroenteritis?
Oral rehydration solution (Pedialyte)
How do you treat overeating symptoms?
- Phosphorated carb solution
- Pepto-Bismol
- H2RAs
When should you refer pts when they are vomiting?
> 5% weight loss
How can you make your own ORS?
1/2 tsp salt + 6 tsp sugar + 1L water
Is Gatorade okay for ORS, why or why not?
Nope, too much sugar
When should you use ORS?
10 min. after vomiting
How often should you drink the ORS after vomiting?
Kids = 5cc every 5 min
Older Kids or adults = 15cc every 5 min
What is the only off label RX for motion sickness?
Doxylamine
Meclizine + Motion sickness
≥12 yrs; 25 to 50mg 1 hr before travel
Less sedating than doxylamine + benadryl
AE with Antihistamines?
- Thickens bronchial secretions
- Dilates pupils
- Urinary retention
What wrong with using antihistamines + lactating women?
Reduces milk production
What wrong with using Pepto-Bismol + lactating women?
Salicylate excreted in breast milk
Whats wrong with using Ginger + lactating women?
Little evidence to support
Whats a non-pharmacological item used in pregnant women?
Ginger
Who should avoid using acupressure bands for NVP?
Peeps with pacemaker
Exclusions + NVP
Age?
<1 yrs old
Exclusions + NVP
Duration?
> 24 to 48 hrs
Rapid, forceful expulsion of GI contents
Nausea
Retching
Vomiting
Vomiting
Involuntary diaphragm and abdominal contractions (dry heaves)
Nausea
Retching
Vomiting
Retching
Subjective feeling of a need to vomit.
Nausea
Retching
Vomiting
Nausea
Motion sickness Nausea and vomiting of pregnancy Gastroenteritis Overeating Other-mild to moderate dehydration
Where would Meclizine go?
Motion sickness
Motion sickness Nausea and vomiting of pregnancy Gastroenteritis Overeating Other-mild to moderate dehydration
Where would Benadryl go?
Motion sickness
Motion sickness Nausea and vomiting of pregnancy Gastroenteritis Overeating Other-mild to moderate dehydration
Where would Vit. B6 w/ or w/o doxylamine go?
N/V of pregnancy
Motion sickness Nausea and vomiting of pregnancy Gastroenteritis Overeating Other-mild to moderate dehydration
Where would ginger go?
N/V of pregnancy
Motion sickness Nausea and vomiting of pregnancy Gastroenteritis Overeating Other-mild to moderate dehydration
Where would Pedialyte go?
Gastroenteritis + dehydration
Motion sickness Nausea and vomiting of pregnancy Gastroenteritis Overeating Other-mild to moderate dehydration
Where would Pepto-Bismol go?
Overeating
Motion sickness Nausea and vomiting of pregnancy Gastroenteritis Overeating Other-mild to moderate dehydration
Where would coke syrup or Emetrol go?
Overeating