BOF: 3.54
A young female is admitted to your ward with chronic
diarrhoea. On examination you note that she is of short stature, she has a
round face, short neck, short fourth and fifth metacarpals and metatarsals.
Investigations reveal:
Hb 12.8 g/dl
Serum Calcium 1.62 mmol/l
Serum Phosphate 2.9 mmol/l
Creatinine 44 micromoles/l
Albumin 38 g/l
Plasma
parathyroid hormone 2.9 pmol/L (normal 0.9 – 5.4 pmol/L)
After
fluid resuscitation and correction of electrolyte imbalance her blood tests
are repeated and come back as:
Plasma
parathyroid hormone 9.3 pmol/L (normal 0.9 – 5.4 pmol/L)
In this
case, correction of which one of the following would have accounted for this
change?
a)
Sodium
b)
Potassium
c)
Chloride
d) Phosphate
e)
Magnesium
