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.

Covers causes of heart attack (myocardial infarction, or MI) 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 mitral valve stenosis? Mitral valve stenosis is a heart problem in which the mitral valve becomes stiff and doesn't open as wide as it should. This forces your heart to work harder to pump blood through the valve, which can weaken the heart and cause other problems. What causes it? Nearly all cases of mitral...

Decision Points are designed to guide you through key health decisions, combining medical information with your personal information to make a wise health decision. Click on a link below to learn more about medicines for your condition: Allergies: Should I Take Allergy Shots? Allergies: Should I Take Shots for Insect...

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...

What is sepsis? Sepsis is a serious reaction to an infection. It causes inflammation across large areas of the body and can damage tissue and organs. Sepsis requires immediate care in a hospital. Septic shock is sepsis that causes extremely low blood pressure, which limits blood flow to the body. It can cause death...

Thalassemia (say "thal-uh-SEE-mee-uh") is an inherited blood disorder that causes your body to make less hemoglobin or abnormal hemoglobin. Hemoglobin helps red blood cells spread oxygen through your body. Low levels of hemoglobin may cause anemia,

Discusses atrial fibrillation, an irregular heartbeat (arrhythmia). Covers causes, including high blood pressure and CAD. Discusses what increases your risk. Covers treatment with medicines, cardioversion, and catheter ablation.

What is croup? Croup is a common respiratory problem in young children. It tends to occur in the fall and winter. Its main symptom is a harsh, barking cough. Croup causes swelling and narrowing in the voice box, windpipe, and breathing tubes that lead to the lungs. This can make it hard for your child to breathe. An...

When asthma symptoms suddenly occur, it's called a flare-up or an asthma attack. It may also be called an acute asthma episode or exacerbation. Attacks can be brief (about an hour) or last for several days. They may be seasonal (similar to hay fever)

Cystic fibrosis (CF) is a common genetic disease that causes mucus in the body to become thick and sticky. The mucus builds up and causes problems in many of the body's organs, especially the lungs and the pancreas. People who have CF can have...

What is mitral valve regurgitation? Mitral valve regurgitation is a problem that happens when the mitral valve does not close tightly enough. The closed valve lets blood leak (regurgitate) from the lower chamber of the heart back into the upper chamber. Your heart has to work harder to pump this extra blood. Primary...

What is pulmonary hypertension? Pulmonary hypertension is high blood pressure in the arteries of your lungs. This may also be called pulmonary arterial hypertension (PAH). These arteries carry blood from the heart to the lungs, where the blood picks up oxygen. The walls of the arteries may get thick, which narrows the...

Discusses lupus, an autoimmune disorder. Focuses on systemic lupus erythematosus (SLE). Covers symptoms and how it is diagnosed. Covers treatment with medicines like corticosteroids, NSAIDs, and antimalarials. Discusses the importance of good self-care.

Discusses nephrotic syndrome, a sign kidneys aren't working right. Includes high levels of protein in urine, low levels of protein in blood, and high cholesterol. Discusses swelling (edema) and kidney failure. Covers causes like diabetes. Covers treatment.