Mar 24, 2022 · Anatomy of the interior of the heart. This image shows the four chambers of the heart and the direction that blood flows through the heart. Oxygen-poor blood, shown in blue …

Aug 13, 2024 · Heart failure. This is one of the most common complications of heart disease. The heart can't pump enough blood to meet the body's needs. Heart attack. A heart attack can …

The National Heart, Lung, and Blood Institute (NHLBI) provides global leadership for a research, training, and education program to promote the prevention and treatment of heart, lung, and …

Mar 24, 2022 · Oxygen-poor blood from the body enters your heart through two large veins called the superior and inferior vena cava. The blood enters the heart's right atrium and is pumped to …

Mar 24, 2022 · At rest, a heart rate of 60 to 100 beats per minute is normal. When you exercise, your heart beats faster, and your heart rate speeds up to get more oxygen to your muscles. …

Mar 24, 2022 · Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas …

Mar 24, 2022 · Heart failure, also known as congestive heart failure, is a condition that develops when your heart doesn’t pump enough blood for your body’s needs. This can happen if your …

Feb 21, 2024 · Heart failure. The heart can't pump enough blood to meet the body's needs. Without treatment, heart failure can be life-threatening. Blood clots. Because the heart can't …

Aug 13, 2024 · Heart CT scan, also called cardiac CT scan. In a cardiac CT scan, you lie on a table inside a doughnut-shaped machine. An X-ray tube inside the machine rotates around …

Oct 13, 2023 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly. The heart may …