The heart has its own electrical system that helps keep the heart in rhythm and helps control how
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Focus On: Hypertension (High Blood Pressure)
Watch this to learn how hypertension (high blood pressure) affects your body.
Focus On: Pericardial Effusion
Learn about what happens in your body when you have pericardial effusion, signs and symptoms of pericardial effusion, and what treatments are available.
How Your Heart Works - Animation
Your heart is a pump that is responsible for delivering blood to all parts of your body. Arteries carry oxygen-rich blood from the lungs to nourish the cells, and veins transport oxygen-poor blood on its way back to the heart and lungs. This animation shows how the heart and circulatory system work.
Focus On: Pericarditis
Learn what happens in your body when you have pericarditis, what symptoms you might have, and what treatments you might receive.
