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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.

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.

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.

There are three main types of coronary heart disease: obstructive coronary artery disease, nonobstructive coronary artery disease, and coronary microvascular disease. Coronary artery disease affects the large arteries on the surface of the heart. Many people have both obstructive and nonobstructive forms of this disease. Coronary microvascular disease affects the tiny arteries in the heart muscle.

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.

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.

Signs and symptoms vary based on the type of angina you have and on whether you are a man or a woman. Angina symptoms can differ in severity, location in the body, timing, and how much relief you may feel with rest or medicines. Since symptoms of angina and of heart attack can be the same, call 9-1-1 if you feel chest discomfort that does not go away with rest or medicine. Angina can also lead to a heart attack and other complications that can be life-threatening.

You may have an increased risk of asthma because of your environment or occupation, your family history or genes, other medical conditions, your race or ethnicity, or your sex.

You may have an increased risk of cardiogenic shock because of your age, any cardiovascular or other medical conditions you have, medical procedures, your race or ethnicity, and your sex.

Cardiogenic shock is life-threatening and requires rapid diagnosis and identification of the cause, and emergency medical treatment. Treatments include medicines, heart procedures, and medical devices to support or restore blood flow in the body and prevent organ damage. Because cardiogenic shock is a serious medical condition affecting multiple body organs, a team of medical specialists usually provides care. Some medical devices may be used temporarily to stabilize or support you until a permanent device can be implanted or until a heart transplant can be performed. For people who have severe organ damage and may not survive after cardiogenic shock, palliative care or hospice care may help them have a better quality of life with fewer symptoms.