According to NYHA grading, Patients with marked limitation to physical activity belongs to: (A) Grade I, (B) Grade II, (C) Grade III, (D) Grade IV
Answer is C. New York Hea Association Functional Classification of Cardiac diseaseGrade I: Patients have no limitation of physical activityGrade II: Patients have slight limitation of physical activityGrade III: Patients have marked limitation of physical activityGrade IV: Patients have an inability to carry on the physical activity without symptomsReference: Practical Guide to High-Risk Pregnancy and Delivery; Chapter 20; Cardiac Disease and Pregnancy