Management of Elevated Creatine Kinase After Electrocution

Immediate Assessment and Risk Stratification

The European Society of Cardiology recommends monitoring electrolyte abnormalities, including potassium, phosphate, calcium, and magnesium levels, in patients with elevated CK after electrocution 1, 2
The European Heart Association suggests assessing volume status, including signs of dehydration or fluid overload, in patients with elevated CK after electrocution 3
Cardiac monitoring, including ECG for arrhythmias, is recommended, especially if electrolyte derangements are present, by the European Heart Association 2, 3

The European Heart Journal recommends initiating isotonic saline at 1 mL/kg/hour immediately, continuing for 24 hours or until CK levels decline and urine output normalizes, for patients with elevated CK after electrocution 3
The standard rate of fluid resuscitation is 1 mL/kg/hour for patients with normal cardiac function, according to the European Heart Journal 3
A reduced rate of 0.5 mL/kg/hour is recommended if ejection fraction <35% or NYHA class >2 to avoid volume overload, as suggested by the European Heart Journal 3
The target urine output is >200-300 mL/hour until myoglobinuria clears, according to the European Heart Journal 3

The American College of Cardiology recommends maintaining serum magnesium ≥0.70 mmol/L (approximately 1.7 mg/dL) in patients with elevated CK after electrocution 1, 2
Oral magnesium supplementation with 12-24 mmol daily (480-960 mg elemental magnesium) is recommended if renal function is normal, by the American College of Cardiology 2
Intravenous magnesium sulfate 1-2 g over 15 minutes is recommended for acute severe deficiency, according to the American College of Cardiology 2
Correcting hypomagnesemia before or simultaneously with potassium replacement is recommended, as magnesium deficiency causes refractory hypokalemia, by the American College of Cardiology 2
The target potassium level is >4 mmol/L, according to the American College of Cardiology 2

The European Renal Association recommends using dialysis solutions containing magnesium rather than intravenous supplementation in patients with acute kidney injury requiring continuous kidney replacement therapy (CKRT) 1
Commercial CKRT solutions enriched with magnesium, potassium, and phosphate should be used to prevent electrolyte disorders, according to the European Renal Association 1, 2
Exogenous intravenous electrolyte supplementation during CKRT should be avoided, as it carries severe clinical risks, as recommended by the European Renal Association 1

Delaying fluid resuscitation while waiting for CK results should be avoided, and fluid resuscitation should be started immediately based on clinical suspicion, according to the European Heart Journal 3
Magnesium supplementation should not be given to patients with significant renal impairment (CrCl <20 mL/min) without careful monitoring, as hypermagnesemia can cause cardiac complications, as recommended by the American College of Cardiology 2
Cardiac monitoring should not be overlooked, as electrocution can cause direct cardiac injury independent of CK elevation, according to the American College of Cardiology 2