This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
In hypokalaemia all ECG changes are seen except- 
Select and explain. 
A. Decreased T-wave amplitude, B. Normal ST segment, C. Wide QRS complex, D. U-wave
B: Normal ST segment
Answer: B: Normal ST segment 
Explanation: None