This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
All of the following are the electrocardiographic features of Hyperkalemia, except- 
Select and explain. 
A. Prolonged PR interval, B. Prolonged QT interval, C. Sine wave patterns, D. Loss of P waves
B: Prolonged QT interval
Answer: B: Prolonged QT interval 
Explanation: Early ECG changes of hyperkalemia, typically seen at a serum potassium level of 5.5-6.5 mEq/L, include the following: Tall, peaked T waves with a narrow base, best seen in precordial leads. Shoened QT interval. ST-segment depression . Ref Harrison 20th edition pg 1411