Patients in renal failure and those undergoing repeated dialysis.
D001794:Blood Pressure; D001810:Blood Volume; D002118:Calcium / Q000097:blood; D003681:Dehydration; D004562:Electrocardiography; D006400:Hematocrit; D006454:Hemoglobins; D006801:Humans; D007668:Kidney / Q000503:physiopathology; D007676:Kidney Failure, Chronic / Q000601:surgery; D008991:Monitoring, Physiologic; D010100:Oxygen / Q000097:blood; D011182:Postoperative Care; D011188:Potassium / Q000097:blood; D006435:Renal Dialysis
D006454:Hemoglobins; D011188:Potassium; D010100:Oxygen; D002118:Calcium