Rajat Garg, MD, specializes in general and interventional cardiology as well as peripheral vascular disease. He is board certified in cardiovascular disease and interventional cardiology. "I was drawn to interventional cardiology because we can now make someone feel better almost instantly," he said. "When a patient comes in the throes of a massive heart attack, we can stabilize them and alleviate their pain within minutes. You could call it 'instant gratification'.