ECG - Hypokalemia
ECG - Hypokalemia
P waves tall and peak >2.5 mm in II, III, aVF (pseudo P pulmonale) at K = <2 mEq/L
Prolonged PR interval
QRS widening
U waves
T waves flatten, merge with U waves (taller)
ST segment depression or T wave inversion
QT interval prolonged
Decreased voltage
** Ventricular arrhythmias, including torsade de pointes (may occur in the presence of digitalis)