This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: ECG and Arrhythmias 1, Subject name: Medicine
The following ECG represents ? 
Select and explain. 
A. Rabbit ear pattern, B. Delta wave, C. P pulmonale, D. P mitrale
D: P mitrale
Answer: D: P mitrale 
Explanation: The ECG represents P mitrale pattern which is seen in left atrial hyperophy. P- mitraleis Broad, notched/bifid ( M shaped) P wave in limb leads. Width of P wave > 2.5mmwith anotch in Lead II. ( increased duration > 0.12s) Seen in MS,MR and Systemic HTN. Rabbit ear pattern is seen in Bundle Branch Block Delta wave is seen in WPW syndrome P pulmonale is seen in Right atrial enlargement.