The ECG finding of hypokalemia is a "U wave". This is an extra positive deflection after the T wave and before the next P wave as seen in lead II on this ECG. This patient had a potassium level of ...
A prolonged QT interval has a variety of causes and can be a very serious ECG finding, as it may lead to the potentially ... hypomagnesemia and hypokalemia) and certain disease states (ie ...