More on HIT Testing: 4 T’s

In follow-up to Julia Witt’s July 9 post requesting information on the PIFA AB rapid test for heparin-induced thrombocytopenia, attached below is an article that defines and illustrates the 4T protocol: Lo GK, Juhl D, Warkentin TE, Igouin S, Eichler P, Greinacher A. Evaluation of pretest clinical score (4 T’s) for the diagnosis of heparin-induced thrombocytopenia in two clinical settings. J Thromb Haemostas 2006, 4: 759–65. Special thanks to Joyce Low for referencing 4 T. Click here for the article: 4ts