Hypokalaemia (low potassium), is a common problem. It is found in 14% of outpatients and 20% of inpatients, however only 4-5% of those are of clinical significance.
Severity
- Severe: <2.5 mEq/l OR Symptomatic – Look for Hypomagnesaemia
- Moderate: 2.5-2.9 mEq/l (No or Minor symptoms)
- Mild: 3.0-3.4 mEq/l (Usually asymptomatic)