CAPS: catastrophic antiphospholipid syndrome; aPL: antiphospholipid antibodies; APS: antiphospholipid syndrome; DIC: disseminated intravascular coagulation; PT: prothrombin time; aPTT: activated partial thromboplastin time; HIT: heparin-induced thrombocytopenia; VITT: COVID-19 vaccine-included immune thrombotic thrombocytopenia; ELISA: enzyme-linked immunosorbent assay; TTP: thrombotic thrombocytopenic purpura; CM-TMA: complement-mediated thrombotic microangiopathy, also called atypical HUS; HUS: hemolytic uremic syndrome; STEC: Shiga toxin producing Escherichia coli; HELLP: hemolysis, elevated liver function tests, and low platelets; MAHA: microangiopathic hemolytic anemia.
* aPL include anticardiolipin and anti-beta2-glycoproteinI antibodies, assayed by ELISA, and lupus anticoagulant, detected by clotting assay. Persistent positivity refers to two positive tests ≥12 weeks apart. UpToDate discussions of APS provide information on clinical relevance.Do you want to add Medilib to your home screen?