A 28-year-old woman with 10-year history of poorly controlled “schizophrenia” was admitted because of intermittent fever and diarrhea. Limb weakness developed shortly after admission, but initial magnetic resonance imaging (MRI) showed no central nervous system abnormality. Acute renal failure with nephritis and symptomatic pulmonary embolism developed within 5 days. Laboratory studies revealed high-titer lupus anticoagulant, anti-ß2 …