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OBG · Postpartum haemorrhage and emergencies: replacement order in Sheehan syndrome
Sample itemA woman with Sheehan syndrome has low cortisol and low free T4. In what order should replacement begin?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Hydrocortisone first, then levothyroxine
Glucocorticoid is replaced before thyroid hormone, because thyroxine increases cortisol clearance and metabolic demand and can precipitate an adrenal crisis in a woman with cortisol deficiency. Sex steroids and other hormones follow according to need.
Option by option
A. Growth hormone first, then the other hormones
Growth hormone is not the priority and does not treat the dangerous deficiency.
B. Levothyroxine first, then hydrocortisone
Starting thyroxine first can unmask adrenal insufficiency.
C. Hydrocortisone first, then levothyroxine (correct)
Correct. Cortisol must be restored first to avoid precipitating adrenal crisis.
D. Oestrogen-progestogen first, then the other hormones
Sex steroid replacement is not the priority in a woman with life-threatening cortisol deficiency.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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