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 ...

"Obtain an EKG, and always look for peaked T waves and even ST elevation ... If you're dealing with mild hyperkalemia, you might not notice any symptoms, or they could be easily overlooked.

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 ...