Heart-bypass surgery creates new routes for blood to detour around blocked coronary arteries. The “symptoms” patients notice are usually post-operative changes or early warning flags that something isn’t healing as planned. Chest soreness is expected. A deep, bruise-like ache along the incision and around the breastbone can spike with coughing, deep breaths, or rolling over; it usually fades over six–eight weeks. Leg or arm ache matches. The harvest site (usually the inner leg) feels like a long bruise; sudden calf pain or swelling can mean a clot. Brief heart skips are common. The heart can feel fluttery for days while... Learn more