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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.

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.

Your doctor may recommend healthy lifestyle changes, medicines, or other treatments aimed at keeping your symptoms from getting worse, increasing your ability to exercise, improving heart function, and ensuring a better quality of life. There is no cure for pulmonary hypertension unless chronic blood clots in the lungs are the cause.

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.

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.

During CABG, a surgical team will take one or more blood vessels from another part of your body and connect it to the blocked artery in your heart. CABG may be performed in one of three ways. In traditional CABG, the chest is cut open and a machine pumps your blood. In “off-pump” CABG, the chest is opened, but a machine for pumping blood is not used. With minimally invasive CABG methods, only small cuts are made in the chest, and a machine is not used.

Muchas personas con sarcoidosis no muestran signos ni síntomas. Algunas experimentan signos y síntomas generales de sarcoidosis, como la fatiga, la fiebre y la pérdida de peso. Si la inflamación continúa, algunas personas pueden presentar cicatrices permanentes, lo que puede ocasionar complicaciones cardíacas o pulmonares graves, potencialmente mortales.

Signs and symptoms of circadian rhythm disorders can vary depending on the type of circadian rhythm disorder you have and how severe your condition is. Many of the symptoms of circadian rhythm disorders occur because you are not getting enough good-quality sleep when your body needs it. Undiagnosed and untreated circadian rhythm disorders may increase your risk of certain health conditions or cause workplace or road accidents.