Pyloric stenosis Flashcards
What is the cause of pyloric stenosis?
Hypertrophy of the pyloric sphincter which leads to narrowing of the pyloric canal
How does pyloric stenosis present?
Projectile vomiting after feeds
Thin, pale
Failure to thrive
Palpable abdominal mass
What may a blood gas show in pyloric stenosis?
Hypochloric metabolic alkalosis (hydrochloric acid is being vomited from the stomach)
What is the gold standard investigation for pyloric stenosis?
Abdominal ultrasound to visualise the sphincter
What is the management of pyloric stenosis?
Correct electrolyte abnormalities
Surgical pyloromyotomy
What electrolye abnormalities might a child with pyloric stenosis have due to vomiting?
Low sodium, low potassium, low chloride
What type of mass is felt in pyloric stenosis?
Olive shaped mass in the epigastrium
What is the name of the procedure used to manage children with pyloric stenosis?
Ramstedt pyloromyotomy
