title: Blood clot formation during multiple cardiopulmonary bypass procedures necessitated by massive hemorrhage.
mesh_terms: D000368:Aged; D006348:Cardiac Surgical Procedures; D002315:Cardiopulmonary Bypass / Q000009:adverse effects*; D003327:Coronary Disease / Q000209:etiology*; D005260:Female; D006470:Hemorrhage / Q000628:therapy*; D006493:Heparin / Q000008:administration & dosage; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D006493:Heparin