Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Interventional Cardiology

  • Heart tests can help your doctor find out if you are at risk for a heart problem, if you have a heart problem, and what treatment you need. There are many heart tests. Most are noninvasive, which means that your doctor does not insert a device into your body for the test. Many of the tests provide still or moving...

  • Learn why taking a statin pill is such an important part of your treatment.

  • Transcatheter aortic valve replacement (TAVR) is a way to replace the aortic valve without open-heart surgery. This procedure is done to treat aortic valve stenosis. TAVR is often done through an incision (cut) in the groin. But sometimes a small cut is made in the chest. The doctor uses a tube called a catheter and...

  • Discusses possible causes of chest pain, which include angina, heart attack, pneumothorax, or chest wall pain. Covers heart attack symptoms. Includes interactive tool to decide when to seek care. Offers home treatment and prevention tips.

  • Guides you through decision to have bypass surgery. Explains when bypass surgery might be needed. Covers other treatment options. Includes interactive tool to help you make your decision.

  • Alan is something of a miracle man. At the age of 32, he had a massive heart attack. But more than 40 years, 4 bypass surgeries, 30 angioplasties, and a combined pacemaker/defibrillator later, he's still thriving. He learned how to cope with heart disease the hard way. Alan had always been healthy and athletic. Except...

  • There are lots of things you can do to lower your risk for coronary artery disease. But some diets and dietary supplements do not lower risk. It's not clear if vitamins, minerals, and multivitamins can lower risk. Talk with your doctor about the best ways to lower your risk of heart disease. By eating heart-healthy...

  • Find out how you'll feel after coronary angioplasty and how to take care of yourself at home.

  • Guides you through the decision to have a coronary calcium scan. Explains why a coronary calcium scan is done and what it can show. Lists treatments that might come after a coronary calcium scan. Lists risks and benefits. Includes interactive tool to help you decide.

  • Most people who have stable angina can control their symptoms by taking medicines as prescribed and nitroglycerin when needed. Staying active is also important. Before you get started, ask your doctor what kind of activities would be good for you. But if prescription medicines and activity don't help you manage your...

  • Learn what transcatheter aortic valve replacement (TAVR) is and how it is done.

  • Learn when having an angiogram is helpful and when it may not be needed.

  • Hear what other people thought about as they decided whether to have a coronary angiogram.

  • Hear how cardiac rehab helped others have less fear and be more sure about how to live with a heart problem.

  • Learn what raises your risk for having a heart attack or stroke and how you can lower your risk.

  • Learn how cardiac rehab works and how it can help you get stronger and feel better.

  • Learn how and why an angiogram is done.

  • Learn how you'll feel after an angiogram and how to take care of yourself at home.

  • See how a diagnosis of heart disease inspired others to care for their heart.

  • Learn how heart disease affects you and how to help prevent a heart attack.

  • Learn why having diabetes raises your risk for heart disease and what you can do about it.

  • Learn how others accept taking heart medicines as part of daily life.

  • Picture an exercise plan you would enjoy, and commit to taking small steps to get there.

  • See how to get back to taking care of your heart.

  • See why your doctor prescribed low-dose aspirin for your heart.

  • Learn how clot-busting medicines are used for emergencies like stroke and heart attack.

  • See how three women found ways to fit heart-healthy habits into their busy lives.

  • See how beta-blocker medicines work in your body and can help prevent another heart attack.

  • Learn how high cholesterol raises your risk for heart attack and stroke.

  • After you've had a heart attack, you may be worried that you could have another one. That's easy to understand. But the good news is that there are things you can do to reduce your risk of having another heart attack. Taking medicine, doing cardiac rehabilitation, and making healthy lifestyle changes can help...

  • Learn how medicines and a healthy lifestyle help protect you from another heart attack.

  • Learn how to start eating foods that are good for your heart.

  • Learn how regular exercise can help your heart get stronger and healthier.

  • Learn why it's important to know your risk for heart disease if you're a woman.

  • Hear a story about how heart attacks may feel different than you expect.

  • Learn how surgery is done to repair or replace heart valves.

  • Learn how plaque in blood vessels can become a problem and cause a heart attack.

  • Learn how beta-blocker medicine helps your heart heal after a heart attack.

  • Get a clear, simple explanation of what happens during a heart attack.

  • Learn seven ways that can help you lower your risk for a heart attack.

  • Blood thinners are medicines that help prevent blood clots. Although they are called blood thinners, they don't really thin the blood. They slow down the time it takes for a blood clot to form. You have to be careful when you take blood thinner medicines. They can raise the risk of serious bleeding. But you can do...

  • Commissurotomy is an open-heart surgery that repairs a mitral valve that is narrowed from mitral valve stenosis. During this surgery, a person is put on a heart-lung bypass machine. The surgeon removes calcium deposits and other scar tissue from the valve leaflets. The surgeon may cut parts of the valve structure. This...

  • A balloon valvotomy is a treatment for mitral valve stenosis. It is a procedure that widens the mitral valve so that blood flows more easily through the heart. A balloon valvotomy is a minimally invasive procedure. A doctor uses a thin flexible tube (catheter) that is inserted through an artery in the groin or arm and...

  • Learn what bypass surgery does for your heart and what will happen during surgery.

  • Learn how angioplasty opens narrowed or blocked coronary arteries to improve blood flow.

  • It's true—diabetes raises your risk of heart disease. That means your risks of heart attack and stroke are higher when you have diabetes. Diabetes is plenty to keep up with as it is. That explains why dealing with both heart risk and diabetes can seem like too much all at once. But it's also true that good...

  • You can help keep your heart and blood vessels healthy by taking steps toward a healthier lifestyle. These healthy habits include not smoking, eating right, exercising regularly, staying at a healthy weight, and getting the screening tests you need. A heart-healthy lifestyle is important for everyone, not just for...

  • Balloon valvuloplasty (also called valvulotomy or valvotomy) is a procedure that widens a heart valve that is narrowed. The cause of this narrowing in the aortic valve is aortic valve stenosis. During this procedure, the doctor puts a thin, flexible tube called a catheter into a blood vessel in your upper leg (groin)...

  • Aortic valve replacement gives you a new aortic heart valve. The new valve may be mechanical or made of animal tissue. You and your doctor can decide before surgery which type of valve is best for you. The aortic valve opens and closes to keep blood flowing in the proper direction through your heart. When the aortic...

  • Learn how a heart-healthy lifestyle can lower your risk for heart disease.

  • Learn how keeping your mood healthy can also help keep your heart healthy.

  • Thrombolytics are medicines that rapidly dissolve a blood clot. They are used when a blood clot causes an emergency, such as a heart attack or stroke. These clot-busting medicines help blood to flow normally again. Thrombolytics are used as soon as...

  • Guides people not already diagnosed with coronary artery disease through decision to take statin medicine to lower risk of heart attack or stroke. Covers cholesterol and other risk factors. Includes interactive tool to help you make your decision.

  • If you smoke, your chance of dying from a heart attack is 2 to 3 times greater than that of a person who does not smoke. About 1 out of 4 heart attacks is believed to be directly related to smoking. Smoking is a much more important risk factor for a...

  • What is mitral valve regurgitation? Mitral valve regurgitation means that one of the valves in your heart—the mitral valve—is letting blood leak backward into the upper area of the heart. Heart valves work like one-way gates, helping blood flow in one direction between heart chambers or in and out of the heart. The...

  • Covers types of coronary bypass surgeries, also called CABG. Includes minimally invasive surgeries. Links to slideshow of CABG. Looks at when surgery is done. Describes how surgery is done, recovery time, and risks.

  • Covers procedure, which is also called percutaneous coronary intervention, to widen narrow coronary arteries for stable angina and heart attack. Links to a slideshow of angioplasty. Describes use of stent and balloon to open artery. Explains why it's done and when it's not done. Includes how well it works, risks, and...

  • Includes causes and symptoms of heart disease. Looks at cholesterol, hypertension, and risk of heart attack. Covers diet, physical activity, and treatment with medicines, angioplasty, and bypass surgery. Includes how to help prevent heart disease.

  • Physical activity is one of the best things you can do to help prevent a heart attack and stroke. Being active is one part of a heart-healthy lifestyle. Eating healthy foods, not smoking, and staying at a healthy weight are other ways you can be...

  • Mitral valve replacement surgery may be needed for mitral valve regurgitation or mitral valve stenosis . Valve replacement is typically done as an open-heart surgery. Minimally invasive types of surgery may be another option. This document describes open-heart surgery. Before you have valve replacement...

  • Discusses aortic valve regurgitation. Discusses symptoms and how it is diagnosed. Covers treatment with medicines and aortic valve replacement surgery. Covers lifestyle changes to help the heart work better.

  • What is aortic valve stenosis? Aortic valve stenosis is a narrowing of the aortic valve. The aortic valve allows blood to flow from the heart's lower left chamber (ventricle) into the aorta and to the body. Stenosis prevents the valve from opening properly, forcing the heart to work harder to pump blood through the...

  • Discusses cardiac rehabilitation (rehab), which helps you feel better and reduce risk of future heart problems with exercise and lifestyle changes. Looks at rehab for people who have heart conditions such as heart attack, heart surgery, or heart failure.

  • A cardiac rehabilitation (rehab) program can help you make lifestyle changes. In cardiac rehabilitation (rehab), a team of health professionals provides education and support to help you make new, healthy habits. Quitting smoking is the best thing...

  • Exercise is an important part of a cardiac rehabilitation program. Combining exercise with other lifestyle changes, such as eating a balanced diet and stopping smoking, reduces the risk of future heart problems. Riding a stationary bike, walking on...

  • Cardiac rehabilitation (rehab) may start while you are in the hospital. The hospital program is one part, or phase, of your cardiac rehab. This phase emphasizes exercise and education. The parts of a hospital program include: A customized exercise program, based on your medical history, clinical condition, and...

  • Your cardiac rehabilitation (rehab) might include an exercise program that you do at home. You might start this program after you go home from the hospital. The home program is one part, or phase, of your cardiac rehab. The goals of a home program are to: Make a smooth transition from hospital to home. Take care of...

  • Cardiac rehabilitation (rehab) typically includes an outpatient program. This program is one part, or phase, of your cardiac rehab. The goal is to lower your risk of future heart problems. You will take part in a supervised exercise program. You will receive information and tools to make lifestyle changes, such as...

  • Cardiac rehabilitation (rehab) includes a phase that helps you keep the healthy behaviors and habits that you learned in rehab. This phase, or program, is often referred to as the maintenance part of rehab, because it can help you maintain healthy lifestyle changes. Your goals are to: Learn lifestyle changes to lower...

  • A heart catheterization is a procedure used for both diagnosis and treatment of congenital heart defects. As a test, this procedure allows doctors to see how blood flows through the heart chambers and arteries. As a treatment, the doctor can use special tools to fix a heart defect during this procedure. How is it...

  • Guides you through the decision to have an angiogram. Explains why the test is done and what it can show. Discusses why you might or might not want to have the test. Lists risks and benefits. Includes interactive tool to help you decide.

  • Quitting smoking is probably the most important step you can take to decrease your chance of coronary artery disease (CAD) and a heart attack. Smoking raises your risk of getting CAD and dying early from CAD. Carbon monoxide, nicotine, and other...

  • People with one or more close relatives who have or had early coronary artery disease (CAD) are at an increased risk for CAD. For men, early CAD is being diagnosed before age 55. For women, early CAD is being diagnosed before 65. A...

  • There is a link between depression and coronary artery disease. People with heart disease are more likely to get depression. And if a person has both depression and heart disease, they may not stay as healthy as possible. They are less likely to...

  • What is angina? Angina (say "ANN-juh-nuh" or "ann-JY-nuh") is a symptom of heart disease. Angina happens when there is not enough blood flow to the heart muscle. This is often a result of narrowed blood vessels, usually caused by hardening of the arteries (atherosclerosis). Angina can be dangerous. So it is...

  • There is a strong association between being overweight and the risk for coronary artery disease (CAD). Being overweight increases your chances of having risk factors for CAD. These include high blood pressure, diabetes, and high cholesterol. Losing...

  • As part of a healthy diet, eat at least two servings of fish each week. Oily fish, which contain omega-3 fatty acids, are best. These fish include salmon, mackerel, lake trout, herring, and sardines. Fish is an important part of a heart-healthy...

  • Low to moderate alcohol use (no more than 2 drinks a day for men, 1 drink a day for women) might lower the risk of coronary artery disease. If you drink alcohol, drink in moderation. But if you do not drink alcohol, do not start drinking to try to lower your risk of heart disease. You have many other options that can...

  • Discusses using nitroglycerin to treat angina, a type of chest pain. Covers how to take the drug. Provides info on side effects and interactions with other drugs. Covers how to store nitroglycerin. Includes info on when to call for emergency help.

  • When can I have sex again? Sex is part of a healthy life and part of your quality of life. It is safe for most people after they have had a heart attack. After a heart attack, you can resume sexual activity when you are healthy and feel ready for it. You could be ready if you can do mild or moderate activity...

  • Some risk factors—things that increase your risk—for coronary artery disease (CAD), such as your gender, age, and family history, cannot be changed. Other risk factors for CAD are related to lifestyle and often can be changed. Your chance of developing coronary artery disease increases with the number of risk factors...

  • Drug-eluting stents prevent a coronary artery from narrowing again after angioplasty. They are coated with medicine that prevents scar tissue from growing into the artery. Stents are small, expandable tubes that are inserted during angioplasty into a narrowed or blocked section of the coronary artery to open the...

  • Covers importance of exercising regularly when you have coronary artery disease. Guides you through steps of starting a complete exercise program that includes aerobic exercise, strength training, and stretching. Explains how to set goals you can reach.

  • Covers risk of heart disease and stroke in women. Lists things that increase risk. Lists prevention steps, such as diet, exercise, not smoking, managing cholesterol and blood pressure, and making decisions on birth control and hormone therapy.

  • Discusses taking aspirin to prevent a first and second heart attack for people who have coronary artery disease. Covers aspirin therapy to help lower risk of a stroke. Discusses if aspirin therapy is for you. Looks at things to avoid while taking aspirin.

  • Covers causes of heart attack (myocardial infarction) and unstable angina. Discusses symptoms like chest pain or pressure. Explains MI and angina differences. Offers prevention tips. Covers diagnostic tests and treatment with medicines and surgery.

  • What is an intra-aortic balloon pump? An intra-aortic balloon pump (IABP) is a mechanical device that helps the heart pump blood. This device is inserted into the aorta, the body's largest artery. It is a long, thin tube called a catheter with a balloon on the end of it. If you are hospitalized, your doctor may insert...

  • Cardiac cachexia is unintentional severe weight loss caused by heart disease. The weight loss might be life-threatening. It can happen to people who have severe heart failure. Even with a very good appetite and high calorie intake, some people lose muscle mass. Cardiac cachexia can require supplemental nutrition...

  • After you start a cardiac rehabilitation (rehab) program, you will work with many health professionals. Each will have a specific role in your rehab. While you are in rehab, make sure to stay in touch with your doctor or other health professionals who can keep track of your progress and health. You will probably keep...

  • If you are in a cardiac rehab program, you are probably taking medicines for your heart and for other health reasons. Some prescribed medicines can change your heart rate, blood pressure, and overall ability to exercise. It's important for your rehab team to know what medicines you take. Give your rehab team a list of...

  • There are several ways to measure your body's responses to exercise and other lifestyle changes. You may want to keep track of the following measurements during your exercise sessions at cardiac rehab and at home. Target heart rate Your target heart rate can guide you to how hard you need to exercise so you can get...

  • What is mitral valve stenosis? Mitral valve stenosis is a heart problem in which the mitral valve doesn't open as wide as it should. The valve becomes stiff or scarred, or the valve flaps become partially joined together. See a picture of mitral valve stenosis. Mitral valve stenosis can lead to heart failure; a...

  • What is ischemia? Ischemia is the medical term for what happens when your heart muscle doesn't get enough oxygen. Ischemia usually happens because of a shortage of blood and oxygen to the heart muscle. It is usually caused by a narrowing or blockage of one or more of the coronary arteries (which supply blood to the...

  • What health professionals are involved in taking care of people who have coronary artery disease? After a diagnosis of coronary artery disease (CAD), you should visit your primary care physician every few months. Your doctor can help track your condition and make sure that your treatment is going as planned. If you...

  • How can I help a loved one who has coronary artery disease? If you have a family member or other loved one who has coronary artery disease (CAD) or has just returned home from the hospital due to a complication of CAD, you may want to know what you can do to help. Your loved one may be able to do fewer normal...

  • Why is it important to manage stress? Stress is the way we all react to change. It includes our mental, emotional, and physical responses to the pressures of everyday life. Because change is a natural and normal part of life, everyone has some stress. But stress can be bad for your heart. If you have heart...

  • Rheumatic fever is a bacterial infection that can cause problems with the heart's aortic and mitral valves. Rheumatic fever is caused by certain strains of streptococcal bacteria. A strep throat infection that isn't properly treated can trigger rheumatic fever. Rheumatic fever can damage heart muscle and heart valves...

  • Guides you through decision about choosing new valve to replace your heart valve if you have aortic valve problems or mitral valve problems. Compares benefits and risks of mechanical valves versus tissue valves. Includes interactive tool to help you make your decision.

  • The major decision in treating aortic valve regurgitation is whether to have aortic valve replacement surgery and, if so, when to do it. Your doctor will check the severity of your condition. Your doctor will also check your overall health to see if surgery is too risky for you. Then you and your doctor will weigh...

  • Covers angina and symptoms that happen when the heart does not get enough blood. Covers unstable angina and heart attack. Discusses treatment with medicines, angioplasty, or bypass surgery. Offers prevention tips.

  • Guides people who have not had a heart attack or a stroke through decision to take daily aspirin. Discusses benefits and risks. Looks at who can take daily aspirin. Includes interactive tool to help you decide.

  • What is heart valve disease? Heart valve disease is the term used for a number of conditions that affect the four valves of the heart. A heart valve disease happens when any of the heart's valves either cannot open well enough to let blood flow through (stenosis) or cannot close well enough to prevent backflow...

  • What is mitral valve prolapse? Your mitral valve controls blood flow on the left side of your heart. The valve opens and closes with each heartbeat. It works like a one-way gate, letting blood flow from your upper heart chamber to your lower chamber. When you have mitral valve prolapse (MVP), the valve closes after...

  • If you have mitral valve stenosis and you need surgery to treat it, you have a choice of repairing the valve or replacing it. Many things play a role in this decision. These things include whether you have symptoms or other health problems (or both), the severity of your mitral valve stenosis, the shape of the mitral...

  • To treat mitral valve regurgitation surgically, the options are to repair or replace the mitral valve. Repair of the heart valve may be recommended if it is likely that the valve can be repaired and that the repair will last a long time. Valve...

  • Your doctor may talk with you about your risk for heart and blood flow problems, including heart attack and stroke. You and your doctor can use your risk to decide whether you need to lower it and what treatment is best for you. What might you be at risk for? Your doctor is checking your risk of having a...

  • A familial lipid disorder is a condition that runs in families. It causes very high levels of cholesterol. This condition can cause a person to get coronary artery disease (CAD) while still young. Because familial lipid disorders are rare, your doctor may only suspect one if you have: Very high cholesterol...

  • Resistance training with weights, elastic bands, or your own body weight may help you regain the physical strength and confidence to do the daily tasks you performed before your heart problem or surgery. Resistance training can help you get the most benefit from your cardiac rehabilitation (rehab) program. Do...

  • Covers walking as one of the easiest ways to increase your physical activity and improve your health. Explains what you need to know before starting a walking program. Includes how to stay motivated.

  • Guides you through the decision to have angioplasty when you have stable angina. Lists benefits and risks of angioplasty and medical therapy. Explains why lifestyle changes are still important. Includes interactive tool to help you with your decision.

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