P.B.B.Sc.MSN-NOV.2023 (SAU.UNI) ⏩Q.1 Long Essay (Any One) 15 🔸1 Define Ischemic heart disease. Ischemic heart disease (IHD) refers to a group of conditions characterized by reduced blood supply to the heart muscle due to coronary artery disease (CAD). CAD occurs when the coronary arteries, which supply oxygen-rich blood to the heart, become narrowed or blocked by atherosclerosis (plaques composed of cholesterol and other substances). 🔸2 Clinical features and pathophysiology of