Part 8: advanced challenges in resuscitation. Section 1: life-threatening electrolyte abnormalities. European Resuscitation Council.

Electrolyte abnormalities are among the most common reasons for patients to develop cardiac arrhythmias. Of all the electrolyte abnormalities, hyperkalemia is most rapidly fatal. A high degree of clinical suspicion and aggressive treatment of underlying electrolyte abnormalities can prevent many patients from progressing to cardiac arrest.