Heparin therapy should be monitored with intermittent estimation of:: (A) Bleeding time, (B) aPTT, (C) Prothrombin time, (D) All of the above
Answer is B. aPTT is maintained 1.5 - 2 times the normal mean aPTT value. Clotting time is maintained at 1.8 - 2.5 times the normal mean aPTT value. From medical pharmacology padmaja 4th edition Page no 335