Factor V Leiden thrombophilia is a genetic disorder that increases the risk of abnormal blood clot formation. Factor V Leiden thrombophilia is a genetic condition that increases the risk of developing ...

Dear Dr. Roach: My son is 32 years old and developed a superficial blood clot in his arm near the elbow. They tested him for the factor V Leiden (FVL) mutation, and he is positive and heterozygous.

Acquired Factor V inhibitors represent a rare and heterogeneous group of coagulation disorders, characterised by the sudden emergence of autoantibodies that neutralise factor V, a critical cofactor in ...

DEAR DR. ROACH: My son was recently diagnosed with factor V Leiden. He has had heart issues since he was 12 (chest pain, irregular EKGs with no explanation and intermittent irregular heart rate). He ...