Haff disease electrocardiogram
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: M. Hassan, M.B.B.S
Overview
Haff disease may result in cardiac arrhythmias due to hyperkalemia and hypocalcemia, as a result of rhabdomyolysis. Therefore, it is essential to monitor the patient with an ECG.
Electrocardiogram
Since Haff disease causes rhabdomyolysis, it is essential to monitor the patient for cardiac arrhythmias due to hyperkalemia or hypocalcemia.[1]
ECG features of hyperkalemia include:[2]
- Small or absent P wave
- Prolonged PR interval
- Augmented R wave
- Wide QRS complex
- Peaked T waves
ECG features of hypocalcemia include:[3]
- Prolonged QTc interval (risk factor for Torsades de pointes)
