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Atrial Fibrillation

Atrial fibrillation is a type of arrhythmia in which the electrical signals in the atria, or the two small chambers of the heart, are fired in a very fast and uncontrolled manner.

Chronic Fatigue Syndrome

Detailed information on chronic fatigue syndrome, including symptoms, diagnosis, and treatment


During a facelift procedure, excess facial fat is removed, facial muscles are tightened, and the skin is stretched to make a smoother appearance.

Factor I

This test measures the amount of a protein called factor I, or fibrinogen, in your blood. It helps find out if you have a bleeding or clotting disorder.

Factor II

This test measures how much of the protein prothrombin, or factor II, is in your blood. It can help diagnose bleeding and clotting disorders.

Factor V

This test looks for a deficiency in a protein called factor V. This protein is one of your body's "clotting factors." When you have too little factor V, you may have bleeding problems.

Factor X

This test checks for a deficiency in a protein in the blood known as . This protein helps with clotting.

Factor XI

This test measures the amount of factor XI in your blood. Factor XI is a substance that plays an important role in blood clotting.

Factor XII

This test measures the amount of a protein called coagulation factor XII in your blood. Factor XII is one of several clotting factors.

Facts About Blood

Detailed information on blood, including components of blood, functions of blood cells and common hematology tests

Facts About Diabetes

Diabetes affects the way the body metabolizes, or uses, digested food to make glucose, the main source of fuel for the body.
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