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What is All are ECG changes in hypokalemia, except:U wave and explain in detail?
Answer is D (QT Interval prolongation) Hvpokalemia may also present with a apparently prolonged QT interval on ECG. However this apparently prolonged QT interval is in reality the QU interval that mimics a prolonged QT interval due to fusion of T-U waves. Prolonged QT interval is the single best answer of exclusion. QT interval and 11% pokalemia Hypokalemia causes an 'apparent' prolongation of the QT interval but the real QT interval remains 'normal' The apparent prolongation of QT interval is due to fusion of the T and U waves (T-U fusion)