Learn How the Heart Works. Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and ...

In left-sided heart failure, the left side of the heart cannot efficiently pump blood to the body. This can lead to a backup of blood in the lungs and symptoms like coughing and tiredness.

Heart valve problems: Makes it difficult for your heart valves to help blood flow properly, causing symptoms like heart palpitations, lightheadedness, and chest pain Diagnostic Testing ...

Cardiologists had assumed that if they fixed problems on the left side of the heart — like a leaky mitral or aortic valve — the tricuspid valve would fix itself. Their assumption was wrong.

When the right side of the heart is malfunctioning or failing, the liver becomes congested with blood the heart cannot pump through the right atrium. If the heart struggles to pump blood due to ...

"The tricuspid valve is one of the four heart valves, located on the right side of the heart," Dr. Wang explained. "When it doesn't work well, the valve doesn't close properly, ...

The semilunar valves stop the back flow of blood into the heart. There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle.

Sometimes during pregnancy, the left side of a baby's heart doesn't grow the way it should. This causes a rare defect called hypoplastic left heart syndrome (HLHS). About 1,000 babies are born ...

The semilunar valves stop the back flow of blood into the heart. There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle.