Antiphospholipid Syndrome.

An acquired cause of hypercoagulability; 50% of antiphospholipid syndrome (APS) patients have systemic lupus erythematosus (SLE).Antiphospholipid syndrome predisposes to both venous and arterial thrombosis. The most common venous thrombosis is deep venous thrombosis; the most common arterial thrombosis is stroke.Antiphospholipid syndrome predisposes to miscarriage and other pregnancy morbidity.Antiphospholipid syndrome may cause thrombocytopenia.■ Antiphospholipid syndrome is diagnosed by persistent antiphospholipid antibody: lupus anticoagulant; anticardiolipin; and anti-beta 2 glycoprotein I. [ABSTRACT FROM AUTHOR]