Mr. Blum, a 78-year-old man with a history of heart disease couldn’t walk very far without feeling short of breath. He scheduled an appointment with his cardiologist. His cardiologist checked his heart function, in particular his aortic valve, which had been replaced before. The cardiologist thought Mr. Blum might be having symptoms indicating his heart may not be functioning properly.
The heart is important because it pumps blood around your body, delivering oxygen and nutrients to your cells and removing waste products. The heart has four chambers: two upper chambers called the right and left atria (singular: atrium) and two lower chambers called the right and left ventricles. There are valves between the atria and ventricles that make sure blood flows in one direction through your heart. Read more