Ab0674 #ACR22 HIT AND APLS?? Retrosp review of 23 pts treated for HIT in the hospital with APLS or SLE with aPL Ab: Not one ultimately met clinical criteria for HIT 1 pt had PF4 antibodies, SRA testing negative in ALL cases Thrombocytopenia w/ aPL Abs? Think APS 1st! @Rheumnow https://t.co/ZYZP5VZF0R