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Factor V Leiden (FAK-tur five LIDE-n) is a mutation of one of the clotting factors in the blood. This mutation can increase your chance of developing abnormal blood clots, most commonly in your legs or lungs. Most people with factor V Leiden never develop abnormal clots.
Factor V Leiden (FVL) is a point mutation of factor V resulting in an elimination of the cleavage site in factor V and factor Va. This genetic defect increases the risk of thrombosis, especially in homozygous or pseudo-homozygous FVL-mutated individuals.
Factor V Leiden is an autosomal dominant genetic condition that exhibits incomplete penetrance, i.e. not every person who has the mutation develops the disease. The condition results in a factor V variant that cannot be as easily degraded by activated protein C.
Factor V Leiden is an inherited blood clotting disorder that raises your risk of deep vein thrombosis or a pulmonary embolism. A mutation in your F5 gene causes this disorder, which follows an autosomal dominant inheritance pattern. Most people with this disorder never develop a blood clot. But if you do, prompt treatment can manage your condition.
Factor V deficiency differs from the more common factor V Leiden mutation, resulting in resistance to APC and the inability to block factor V's anticoagulant effects. Individuals with factor V Leiden mutations are thus at increased risk of venous thromboembolic events.
Your doctor may suspect factor V Leiden if you've had one or more episodes of abnormal blood clotting or if you have a strong family history of abnormal blood clots. Your doctor can confirm that you have factor V Leiden with a blood test.
Factor V Leiden (FVL) is a change in your genes that affects one of the clotting factors in your blood and keeps your body's blood -clotting process from working right. It can cause a disorder...