Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
A heart attack happens when the blood supply is cut off from the heart muscle, usually because of a blood clot. Without blood and oxygen, the muscle cells are damaged and die.
When you have heart block, there is interference with the electrical signals that usually move from the top chambers of your heart to the bottom chambers, telling your heart when to beat.
Heart failure is when your heart can’t pump enough blood to meet your body’s needs. Learn about the different types of heart failure, and the treatments that can help you manage it.
Heart failure is a condition in which the heart cannot pump enough blood to meet the body's needs.
Heart failure is when the heart can't pump enough blood to the body. In children, it is often caused by a congenital heart defect.
Heart murmurs may be caused by a number of factors or diseases, including defective heart valves, fever, and pregnancy.
A heart murmur is blood flow that makes a noise because of a problem in or near the heart. See how a heart murmur occurs, and when it’s a cause for concern.
Heart murmurs are extra or unusual sounds made by blood moving through the heart. Many children have heart murmurs. Some cause no problems or go away over time. Others require treatment.
Heart valves can malfunction on one of two ways: They can fail to close completely, allowing blood to flow backward, or they can become damaged, limiting blood flow.
If a heart valve needs to be repaired or replaced, your healthcare provider may be able to do the work using a minimally invasive procedure.
If a heart valve needs to be repaired or replaced, your healthcare provider may do the work with open heart surgery.
Hemorrhagic stroke happens when a blood vessel in the brain breaks or bleeds. This causes brain cells to die. Stroke can take away your ability to do certain things, like speak or walk. Learn the symptoms of hemorrhagic stroke and what ...
Blood pressure is the force of the blood pushing against the artery walls. High blood pressure (hypertension) means that the pressure inside the arteries is too high. This higher pressure may harm the arteries and cause the heart to work...
High blood pressure, or hypertension, increases the risk for coronary heart disease (heart attack) and stroke (brain attack).
To take your blood pressure at home you’ll need a blood pressure cuff, monitor, and log book. This video will walk you through the steps.
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. ...
Hypertension is the medical term for high blood pressure. Blood pressure is the force at which blood flows through the large blood vessels from the heart. When blood pressure is high over a period of time, it can lead to health problems,...
Hypoplastic left heart syndrome (HLHS) is a group of defects of the heart and large blood vessels. A child is born with this condition (congenital heart defect). It occurs when part of the heart doesn't develop as it should during the ...