Intravenous potassium and magnesium was linked to a higher probability of spontaneous conversion to sinus rhythm in atrial fibrillation patients in the ER, in this registry-based study.

ICU Medical has recalled two lots of potassium chloride intravenous bags, citing a labeling problem that could lead users to overdose on the IV solution, according to an FDA notice posted Friday.

High potassium treatment depends on how severe it is, whether it came on suddenly, and what’s causing it. Mild, chronic hyperkalemia can usually be treated with medication and diet changes.