Medicine True in mitral regurgitation (MR) is A Pansystolic murmur at the apex B Loud S1 C Functional or Secondary MR is caused by papillary muscle rupture after myocardial infarction D ECG commonly reveals 'P' pulmonale 💡 Explanation True in mitral regurgitation (MR) is ✓ Correct Answer: A. Pansystolic murmur at the apex