Medicine ECG and Arrhythmia 3 bf2e56a4 True about ECG changes include all except: - A Hypokalemia- U wave B Hyperkalemia-Tall T waves C Hyponatremia- Q waves D Hypocalcemia- Prolonged QT interval High-Yield Explanation Hypokalemia- prominent U wave Hyperkalemia-tenting of T wave Hypocalcemia-prolonged QT interval