QuestionSBA
QuestionChoice
This is correct. This is suggestive of a diagnosis of congenital adrenal hyperplasia (CAH) with symptoms of dehydration and vomiting developing soon after birth. The electrolyte derangements also suggest CAH, with hyponatraemia and hyperkalaemia caused by hypoaldosteronism.
10034917
a
Fused labia and urogenital sinus
QuestionChoice
This is suggestive of meningitis which can present vaguely in newborns. Meningitis does not explain the hyperkalaemia and may cause respiratory symptoms or drowsiness which are not mentioned.
10034920
d
Widespread petechial rash
QuestionChoice
Physiological jaundice may occur up to two weeks post-birth in healthy breastfed babies. Persistent jaundice or jaundice in the first 24 hours of life is concerning for haematological/biliary conditions.
10034921
e
Jaundice
QuestionChoice
This is suggestive of intussuception which tends to happen between the ages of three and 18 months. It presents with colicky abdominal pain, vomiting and red currant jelly stools.
10034919
c
Sausage-shaped mass in the abdomen
QuestionChoice
This is suggestive of pyloric stenosis which can present with projectile vomiting, normally 2-6 weeks after birth. Electrolyte abnormalities include hypokalaemia and hypochloraemia with metabolic alkalosis.
10034918
b
Olive-shaped mass in the abdomen
QuestionComment
what the fuck
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Britney Spears
QuestionComment
why can't it be intussusception causing bowel obstruction causing the electrolyte disturbance and symptoms?
45489
QuestionComment
Perhaps a bit early presentation? Not sure though
45990
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Neoplasia Supine
QuestionComment
Because there is hyper rather than hypokalaemia. Hyperkalaemia is due to lack of aldosterone. Excess voting depleted potassium on the contrary. 
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Dorothy
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Cystic Myotonia
QuestionComment
She's 5!? Surely she'd present earlier?? 
50298
QuestionComment
5 days old
50840
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Jeremy Usborne
QuestionComment
5 days
53435
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Dorothy
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Uremic Tanoy
QuestionComment
Not me thinking she had a weird sepsis :/
51654
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Metabolism Loose
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allow dat

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Abscess Transplant
Concept
Chapter
2693
5779
Congenital Adrenal Hyperplasia
Topic
153
Paediatrics
19387
In congenital adrenal hyperplasia, excess androgen production can cause fused labia and a urogenital sinus, where the urethra and vagina share an opening, leading to ambiguous genitalia in females.
A 5-day-old girl is brought to the paediatric emergency department with vomiting and poor feeding. Bloods show hyponatraemia and hyperkalaemia. She appears dehydrated with reduced skin turgor and dry mucous membranes.

Which of the following findings would most likely be found on examination?
a