09: 2-week-old female with lethargy Flashcards
What might the following conditions lead to in terms of fontanelle size? Skeletal disorders Chromosomal abnormalities Malnutrition Hypothyroidism Increased ICP
Large fontanelle
What might the following conditions lead to in terms of fontanelle size? Microcephaly Craniosynostosis Hyperthyroidism Normal variants
Small fontanelle
What might the following conditions lead to in terms of fontanelle? Meningitis Hydrocephalus Subdural hematoma Lead poisoning
Bulging fontanelle
What are cortisol and aldosterone levels in 21-OH deficiency?
Both decreased
Are female patients with 21-OH deficiency virilized?
Yes
What are K levels in 21-OH deficiency?
Hyperkalemia
Are male patients with 21-OH deficiency easy to detect?
No; thy are just more virilized
Why does 21-OH deficiency present as virilization?
The increased 17-OH progesterone is diverted to androgen formation
When do infants with congenital hypothyroidism present with symptoms?
Several months in
What are T4 and TSH levels in congenital hypothyroidism?
T4: low
TSH: high
Should the newborn be started on drugs right away if T4 levels low and TSH high on newborn screen?
Yes; don’t wait for the results of the serum test
How is congenital heart disease screened for in a newborn?
Pulse ox
If an infant fails a hearing test, when should it be done again?
3 months
What’s the approx size of the anterior fontanelle?
2cm
What might cause skin mottling, feeding problems, constipation, umbilical hernia, and prolonged jaundice?
Congenital hypothyroidism
