Hey are you Looking for the best heart failure doctor in delhi? If yes then end your search with Dr Viveka Kumar. ACardiologist is a doctor or specialist who diagnoses heart-related problems. A cardiologist specializes in finding the problem and treating and preventing diseases that affect your heart, arteries, and veins. If a person has a problem with high blood pressure, abnormal heartbeat, or chest pain, then they may have to consult a cardiologist. Among the best cardiologists, Dr. Viveka Kumar deals with the diagnosis and treatment of congenital heart detection, valvular heart disease, electrophysiology, heart failure, and echocardiography. A cardiologist is also known as a heart doctor or cardiologist. A heart problem is a collection of issues that affect your heart. Heart disease is one of the severe problems. If your heart is not functioning well, it can create trouble sending blood to all body parts. The blood helps to bring oxygen and important nutrients to the organs, tissue and cells of the body. If there is a problem in blood circulation, it will have an effect on your overall body.