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You may have an increased risk of arrhythmia because of your age, environment, family history and genetics, habits in your daily life, certain medical conditions, race or ethnicity, sex, or surgery.

There are many types of congenital heart defects. They range from simple to complex and critical.

Heart inflammation can be caused by infections, particularly from viruses or bacteria; medicines; or damage to the heart’s tissue or muscle from autoimmune diseases, medicines, environmental factors, or other triggers.

Age, family history and genetics, lifestyle, heart disease or other medical conditions, race, sex, and a history of surgery can all raise your risk of developing the structural and electrical anomalies that cause atrial fibrillation. Even in a healthy heart, a fast or slow heart rate—from exercising or sleeping, for example—can trigger atrial fibrillation.

Defibrillators can be used in children, teens, and adults. AEDs are used to treat sudden cardiac arrest. Your doctor may recommend an ICD or WCD to treat an arrhythmia and prevent new or repeat sudden cardiac arrests.

The goal of treatment is remission, a state in which the condition is not causing problems. Not everyone who is diagnosed with sarcoidosis needs treatment. Medicines used to treat sarcoidosis help reduce inflammation or suppress the immune system. Many people recover with few or no long-term problems.

To screen for iron-deficiency anemia your doctor may order a blood test called a complete blood count (CBC). Prevention of iron-deficiency anemia includes consuming enough iron and controlling other medical conditions that are risk factors for iron-deficiency anemia.

Your genes or other medical conditions can cause pulmonary hypertension. Certain medical conditions can damage, change, or block the blood vessels of the pulmonary arteries. The cause of pulmonary hypertension is not always clear.

You should start getting screening tests and risk assessments for coronary heart disease around age 20 if you do not have any risk factors for coronary heart disease. Children may need screening if they have risk factors, such as obesity, low levels of physical activity, or a family history of heart problems. Afterward, your doctor may recommend preventive treatments such as heart-healthy lifestyle changes to help you lower your risk of coronary heart disease.

Some people have severe symptoms of coronary heart disease. Others have no symptoms at all. If you have “silent” coronary heart disease, you may not have any symptoms until you have a heart attack or other complication.