This ECG occured in the setting of a potassium level of 8.2 which is very high. A "sine wave" pattern subsequently ensued, thus this ECG change was a precursor to the classic "sine wave" of ...

Patients with ECG findings consistent with this diagnosis, including peaked T waves, prolonged PR intervals, loss of P waves, widening of the QRS complex, sine-like wave ECG pattern, and asystole ...