title: ACT calculation.
mesh_terms: D001780:Blood Coagulation Tests / Q000295:instrumentation / Q000379:methods*; D006348:Cardiac Surgical Procedures; D002315:Cardiopulmonary Bypass; D006493:Heparin / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans
chemical_list: D006493:Heparin