Anticoagulation (unfractionated heparin, LMWH, or warfarin)
No benefit in treatment or prophylaxis using ASA or plavix
Add hydroxychloroquine if patient has SLE
Warfarin contraindicated in pregnancy!
DOACs (such as rivaroxaban, apixaban, and dabigatran) have not been shown to be effective in<unk> 
IVIG, plasmapheresis, and steroids have not been proven to be of benefit in<unk> 
No benefit in treatment or prophylaxis using ASA or plavix
Add hydroxychloroquine if patient has SLE
Warfarin contraindicated in pregnancy!
DOACs (such as rivaroxaban, apixaban, and dabigatran) have not been shown to be effective in<unk> 
Treat stress that precipitated catastrophic<unk>  (eg infection), anticoagulation, high dose steroids
If evidence of microangiopathy (thrombocytopenia, MAHA), add IVIG and plasma exchange to above regimen
If evidence of microangiopathy (thrombocytopenia, MAHA), add IVIG and plasma exchange to above regimen
Antiphospholipid syndrome
Disseminated Intravascular Coagulation 
Factor V Leiden
Thrombotic Thrombocytopenic Purpura 
Von Willebrand disease
Hemolytic Uremic Syndrome 
Heparin-Induced Thrombocytopenia 
HELLP syndrome