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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.

La hemoglobina anormal, llamada hemoglobina S, causa la anemia de células falciformes.

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.

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.

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.

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.

Sleep apnea can be caused by a person’s physical structure or medical conditions. These include obesity, large tonsils, endocrine disorders, neuromuscular disorders, heart or kidney failure, certain genetic syndromes, and premature birth.

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.

It may be possible for your doctor to diagnose the type of vasculitis that you have and how severe or advanced it is. Depending on your signs and symptoms, your doctor may recommend you to a specialist for tests or do diagnostic tests or procedures.