<prompt> Shaswat, A67-year-old male comes to the physicians office complaining of severe pain in the right foot with paleness of right toe. The patient had a history of receiving unfractionated heparin 7 days back. The hemogram of the patient is as shown below: Hb 13.2 gdL WBC 10000mm3 Platelet 50000mm3 Which of the following should be used to treat this condition?High dose of HeparinPlatelet infusionsArgatrobanWarfarin  <response>: Ref: Katzung 11e p592 It is a case of heparin induced thrombocytopenia HIT. Four T are used to suspect the diagnosis of HIT: Hrombocytopenia Timing of heparin administration 5-14 days before developing thrombocytopenia Thrombosis OTher causes of thrombocytopenia not evident. DOC for HIT is direct thrombin inhibitors like argaroban. 