In combination, these findings aroused the suspicion of hyperkalemia. Furthermore, the ECG software double-counted the QRS complexes, as it misleadingly counted T waves too (151 bpm; red box/arrow).

In combination, these findings aroused the suspicion of hyperkalemia. Furthermore, the ECG software double-counted the QRS complexes, as it misleadingly counted T waves too (151 bpm; red box/arrow).

In most cases, a serum K+ value of 6 mmol/L or greater dictates immediate consideration of treatment, even in the absence of ECG changes. However, hyperkalemia is insidious in its cardiotoxic ...