ECG findings in hyperkalemia. ECG findings are frequently used to guide the diagnosis ... widening of the QRS complex, sine-like wave ECG pattern, and asystole, should be treated with potassium ...

Absence of the P waves and eventually a “ sine wave ... The ECG findings of hyperkalemia change as the potassium level increases, from slightly high levels to very high levels.

The ECG findings of hyperkalemia change as the potassium level increases. ... Absence of the P waves and, eventually, a "sine wave" pattern (see below), which is frequently a fatal rhythm.