The diagnosis of antiphospholipid syndrome is made in cases of a clinical event (vascular thrombosis or pregnancy event) and repeated positive tests of aPL performed 12 weeks apart (repeat aPL testing is necessary due to the naturally occurring presence of transient low levels of aPL following infections).
Antiphospholipid syndrome diagnostic criteria
Antiphospholipid syndrome physical examination
Antiphospholipid syndrome laboratory findings
Heparin-induced thrombocytopenia laboratory findings
Glanzmann's thrombasthenia laboratory findings
Antiphospholipid syndrome risk factors
Von Willebrand disease laboratory findings
Glanzmann's thrombasthenia physical examination