Intrasession Lecture: Endocrinology

Question 1

A problem in height development (as in height lagging far behind weight) is more common in ___________ disorders.

Answer 1

endocrine (e.g., hypothyroidism)

Question 2

A problem in weight development (as in weight lagging far behind height) is more common in ___________ disorders.

Answer 2

GI

Question 3

How do you calculate mid-parental height?

Answer 3

• For boys: add 5 inches to the mother’s height and then average with dad’s height.
• For girls: subtract 5 inches from the father’s height and the average with the mother’s height.

Question 4

Growth velocity is usually given in _________.

Answer 4

cm/year

Question 5

Because growth hormone cannot be measured directly, we instead measure _____________.

Answer 5

IGF1

Question 6

What is a good workup for failure to thrive in an older child?

Answer 6

• Bone age x-ray
• CBC
• CMP
• IGF-1
• TSH and total T4
• Total IgA and transglutaminase

Question 7

How is initial fluid management different in DKA?

Answer 7

Start with 10 ml/kg (as opposed to 20 ml/kg in a non-DKA kid in need of rehydration) and then give another if she needs it.

Question 8

What is the effect of glucose on sodium?

Answer 8

For every 100 mg/dl increase in glucose, the sodium goes up by 1.6 mEq.

Question 9

If a patient has true central precocious puberty, then you might ask questions about history of _______________.

Answer 9

head trauma, neurologic symptoms, or cranial radiation

Question 10

If you are evaluating neurologic causes of precocious puberty, you need to order an MRI with ________________.

Answer 10

a pituitary window

Question 11

How is central precocious puberty treated?

Answer 11

Leuprolide