Which ECG finding is most consistent with hypokalemia?

Question

Accepted Answer

B. U waves and ST depression — Hypokalemia is associated with ST depression, flattened T waves, and the appearance of U waves. Peaked T waves suggest hyperkalemia.

Answer

A. Peaked T waves

Answer

C. Widened QRS with a sine-wave pattern

Answer

D. Tall T waves with shortened QT interval