In addition to coagulograma, in patients receiving heparin therapy, it is necessary to investigate: Surgical In addition to coagulograma, in patients receiving heparin therapy, it is necessary to investigate: A. Serum electrolytes B. Creatinine C. Platelets count D. Oxygen in blood E. Haematocrite Answer: C. Platelets count Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+