Cardiomyopathy - What Is Cardiomyopathy? | NHLBI, NIH
2022年4月19日 · Español. Cardiomyopathy refers to problems with your heart muscle that can make it harder for your heart to pump blood. There are many types and causes of cardiomyopathy, and it can affect people of all ages. Depending on the type of cardiomyopathy that you have, your heart muscle may become thicker, stiffer, or larger than normal.
Physical Activity and Your Heart - Benefits | NHLBI, NIH
2022年3月24日 · When done regularly, moderate- and vigorous-intensity physical activity strengthens your heart muscle. This improves your heart's ability to pump blood to your lungs and throughout your body. As a result, more blood flows to your muscles, and oxygen levels in your blood rise. Capillaries, your body's tiny blood vessels, also widen.
What Is Coronary Heart Disease? - NHLBI, NIH
2023年12月20日 · Coronary heart disease is a type of heart disease where the arteries of the heart cannot deliver enough oxygen-rich blood to the heart. It is also sometimes called coronary artery disease or ischemic heart disease. About 20.5 million U.S. adults have coronary artery disease, making it the most common type of heart disease in the United States ...
Coronary Heart Disease - Causes and Risk Factors - NHLBI, NIH
2023年12月20日 · When plaque builds up inside the arteries that supply blood to the heart muscle, those coronary arteries harden and become narrower over time. This can lower or block blood flow to the heart muscle, preventing the heart from getting enough oxygen-rich blood. This is the main cause of obstructive coronary artery disease. Normal versus a blocked ...
Heart Failure - What Is Heart Failure? - NHLBI, NIH
2022年3月24日 · What Is Heart Failure? 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 ...
Heart Inflammation - Causes and Risk Factors - NHLBI, NIH
2023年10月10日 · Viruses, bacteria, fungi, and parasites can cause heart inflammation . Viruses are the most common cause of myocarditis and pericarditis. These may include SARS-CoV-2 (the virus that causes COVID-19), adenovirus, coxsackievirus (including hand, foot, and mouth disease), herpes virus, influenza (flu) virus, and parvovirus B19 (which causes an ...
Heart Attack - What Is a Heart Attack? - NHLBI, NIH
2022年3月24日 · Your heart can’t get enough oxygen. If blood flow is not restored quickly, the heart muscle will begin to die. Heart attacks are very common. According to the Centers for Disease Control and Prevention, more than 800,000 people in the United States have a heart attack each year. A heart attack is not the same as cardiac arrest, which happens ...
Heart Inflammation - What Is Heart Inflammation? - NHLBI, NIH
2023年10月10日 · Español. Heart inflammation is your body’s natural reaction to an infection or injury to the heart. To protect your body, your white blood cells send chemicals that increase blood flow to the area. This can lead to redness, swelling, or pain. Inflammation can affect the lining of your heart or valves, the heart muscle, or the tissue around ...
Angina (Chest Pain) - Causes and Risk Factors | NHLBI, NIH
2023年7月10日 · Lifestyle habits. The more heart disease risk factors you have, the greater your risk of developing angina. The main lifestyle risk factors for angina include: Alcohol use, for vasospastic angina. Illegal drug use, which can cause your heart to race or damage your blood vessels. Lack of physical activity.
Arrhythmias - Conduction Disorders - NHLBI, NIH
2022年3月24日 · A conduction disorder, also known as heart block, is a problem with the electrical system that controls your heart’s rate and rhythm. This system is called the cardiac conduction system. Normally, the electrical signal that makes your heart beat travels from the top of your heart to the bottom. The signal causes your heart muscle to beat and ...