hyperemesis gravidarum Flashcards
3 risk factors
First pregnancy, young age, multiple pregnancy, molar pregnancy,
hyperthyroidism, previously suffered with motion sickness.
most important bedside test and why
Urine dipstick looking for presence of ketones. This suggests
starvation and ketosis.
2 blood tests
U&Es (assess kidney function/dehydration), TFTs (assess
hyperthyroid states), LFTs, ABG, FBC.
vitamin prescription + other treatments
Thiamine to prevent Wernicke’s encephalopathy.
Low molecular weight heparin, intravenous fluids, anti-emetics,
total parenteral nutrition, steroids.
snow storm appearance = cause
Molar pregnancy.
when to admit
Continued nausea and vomiting and is unable to keep down liquids or oral antiemetics
Continued nausea and vomiting with ketonuria and/or weight loss (greater than 5% of body weight), despite treatment with oral antiemetics
A confirmed or suspected comorbidity (for example she is unable to tolerate oral antibiotics for a urinary tract infection)
triad
5% pre-pregnancy weight loss
dehydration
electrolyte imbalance
mx
simple measures- avoiding triggers, plain bland food
anti-histamines
oral ondansetron
admission for IV hydration- normal saline w added potassium
complications
AKI
Wernicke’s
oesophagitis, mallory weiss
vte