Your heart is one of the most important organs in your body. It’s responsible for pumping blood and oxygen throughout your body, ensuring that every other organ has the necessary resources to function properly. It’s also a muscle that needs to be cared for, just like any other muscle in your body. This is where a cardiologist comes in. A cardiologist is a specialist who focuses on the heart, and can help you maintain a healthy heart, diagnose and treat any heart-related conditions, and prevent future heart problems.