vomiting & pyloric stenosis r Flashcards
what stimulates vomiting
the vomiting centre in the medulla oblongata
pre-ejection phase symptoms
pallor
nausea
tachycardia
retching
deep breaths against a closed glottis
ejection phase
contraction of abdominal muscles, upper part of small intestine and stomach
contents are expelled
post-ejection phase symptoms
lethargic
sweaty
pale
triggers for vomiting
enteric pathogens food allergy infection otitis media encephalitis tumour raised ICP metabolic disturbances
what does bilious vomiting indicate
intestinal obstruction
causes of vomiting in neonates
GORD - most common
overfeeding
pyloric stenosis
cows milk allergy
causes of vomiting in infants
GORD cows milk allergy infection intestinal obstruction overfeeding
causes of vomiting in children
gastroenteritis infection appendicitis intestinal obstruction raised ICP coeliac
causes of vomiting in adolescents
gastroenteritis h pylori appendicitis intestinal obstruction raised ICP bulimia
what would the electrolyte profile of a child with vomiting be
hypokalaemia
hypochloraemia
metabolic acidosis
what should you suspect in a baby aged 4-12 weeks who is vomiting
this is a typical history of pyloric stenosis
presentation of pyloric stenosis
projectile non-bilious vomiting
weight loss
electrolyte disturbance
dehydration
risk factors for pyloric stenosis
first born boy
