Hi, Thanks for posting your query. Were your father was suffering from chronic kidney disease? Were there any defect in clotting time/ bleeding time/ prothrombin time? Had your father derangements of liver function test or any abdominal symptoms? Those patients who had already deranged liver and renal function may have deranged platelet function & prothrombin time with defect in coagulation. All these factors predisposes patient to bleeding with decreased clotting ability. Although heparin is given during dialysis but all these are applied by trained staff by measurement. So there is least likely possibility of wrong medicines. You can also understand that when dialysis was not started, he got hemorrhagic episodes. So I think medicines are not the likely cause. Once bleeding is started, then a vicious cycle starts in body and if not controlled within time then its very difficult to save life whether all medicines have been given by expert doctors. So doctors are also helpful at few places and we have to accept the judgment of god. Thanks, Dr. Mayank Bhargava