Medicine True about U waves is all except A It is due to Delayed repolarisation of Purkinje fibres B Maximum normal amplitude of the U wave is 1-2 mm C The U wave normally goes in the opposite direction as the T wave D U waves generally become visible when the hea rate falls below 65 bpm 💡 Explanation True about U waves is all except ✓ Correct Answer: C. The U wave normally goes in the opposite direction as the T wave