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
A wide and notched P wave is typically seen in: 
Select and explain. 
A. Mitral Stenosis, B. Cor-Pulmonale, C. COPD, D. Pulmonary embolism
A: Mitral Stenosis
Answer: A: Mitral Stenosis 
Explanation: Answer is A (Mitral Stenosis) Mitral Stenosis is typically associated with a Wide and Notched P wave from Left Atrial Enlargement (LAE) Cor-Pulmonale, COPD and Pulmonary embolism are all associated with Right Atrial Enlargement resulting in a Tall P wave (not a wide p wave)