This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
The following ECG changes do not include : 
Select and explain. 
A. Prolonged PR interval, B. WidcrQRS, C. Inveed T waves, D. ST segment depression/ elevation
C: Inveed T waves
Answer: C: Inveed T waves 
Explanation: ref : guyton and hall / harrisons