How the Heart Works - What the Heart Looks Like - NHLBI, NIH
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-purple, flows into the heart and is pumped out to the lungs. Then oxygen-rich blood, shown in red, is pumped out to the rest of the body, with the help of the heart valves.
Heart disease - Symptoms and causes - Mayo Clinic
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 happen if a piece of plaque in an artery or a blood clot moves to the heart. Stroke. The risk factors that lead to heart disease also can lead to an ischemic stroke.
How the Heart Works - The Heart - NHLBI, NIH
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 of your body. Your blood carries the oxygen and nutrients that your organs need to work properly.
What Is Heart Failure? - NHLBI, NIH
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 heart can’t fill up with enough blood. It can also happen when your heart is too weak to pump properly. The term "heart failure" does not mean that your heart has stopped.
How the Heart Works - How Blood Flows through the Heart
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 your right ventricle, which in turn pumps the blood to your lungs. The pulmonary artery then carries the oxygen-poor blood from your heart to the lungs.
How the Heart Works - How the Heart Beats - NHLBI, NIH
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. Signals from your body’s nervous system and hormones from your endocrine system control how fast and hard your heart beats. These signals and hormones allow you to adapt ...
Atrial tachycardia - Symptoms and causes - Mayo Clinic
This causes the heart to beat too fast. Then the heart is not able to fill with blood properly. Risk factors. Anyone can get atrial tachycardia. But some health conditions or treatments can increase your risk. Atrial tachycardia risk factors include: Heart conditions such as coronary artery disease, heart valve disease and other heart diseases.
Heart disease - Diagnosis and treatment - Mayo Clinic
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 your body and collects images of your heart and chest. Heart magnetic resonance imaging (MRI) scan.
NIH-supported DASH diet named “Best Heart-Healthy Diet” and …
Jan 3, 2025 · WHAT: Dietary Approaches to Stop Hypertension (DASH) has secured 14 top spots, including being the number 1 rated “Best Heart-Healthy Diet” and “Best Diet for High Blood Pressure” in the 2025 Best Diets report from U.S. News & World Report. It was also rated the second “best overall diet,” “best diet for healthy eating,” and ...
Heart-Healthy Living - What Is Heart-Healthy Living? - NHLBI, NIH
Apr 23, 2024 · Heart disease is a leading cause of death in the United States for both men and women. But you can do a lot to protect your heart and stay healthy. Heart-healthy living involves understanding your risk , making healthy choices, and taking steps to reduce your chances of getting heart disease, including coronary heart disease , the most common type.