hyponatraemia calculations

Question 1

correct for hyperglycaemia

“Translocational hyponatraemia”

Answer 1

Na corrected = Na measured + (BGL/3)

Question 2

calculate the osmolol gap

Answer 2

Osm (calc) is 2 x sodium + urea + glucose

If less than the measured osmolality there is a gap; implies presence of other solutes