Peaked T waves best seen in the precordial leads, shortened QT interval and, sometimes, ST segment depression. Widening of the QRS complex. This usually requires a potassium level of 6.5 or ...

Department of Family Medicine, University of Washington, Seattle, Washington, USA Correspondence to Professor Jonathan A Drezner, Department of Family Medicine, University of Washington, P.O. Box ...

Hyperkalemia can cause life-threatening arrhythmia, and thus recognizing related patterns on the ECG is crucial. The ECG findings of hyperkalemia change as the potassium level increases, from ...