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)