Electrolyte abnormalities

Diagnosis

Ion	Low!	Low	High	High!
K	2.5	3.5	5.5	6.5
Ca	6.5	8.5	10.5	12.0
Na	120	135	150	(Osm >350)
Mg	Clinical	3.5
Phos	1.0	2.8

DDX

• Hyper
  • Hypercalcemia
  • Hyperkalemia
  • Hypermagnesemia
  • Hypernatremia
• Hypo
  • Hypocalcemia
  • Hypokalemia
  • Hypomagnesemia
  • Hyponatremia
  • Hypophosphatemia

Treatment

Correct in the following order:

1. Volume
2. pH
3. K, Ca, Mg
4. Na, Cl

See Also

• Hypoglycemia

Source

• Tintinalli