The ECG findings of hyperkalemia change as the potassium level increases, from slightly high levels to very high levels. The ECG findings include: Peaked T waves best seen in the precordial leads ...

or even high potassium, causes malfunction in the muscles. Number two is life-threatening arrhythmias on the EKG. "The big ones to know is V fib (ventricular fibrillation) and cardiac arrest.

Frequently, instant reversal of all hyperkalemic ECG changes within seconds of administration is seen. Calcium does not decrease the potassium levels ... toxicity, a high calcium level leads ...