For a patient, of CRF which of the following would be specific indication to sta dialysis?: (A) BUN rises to >90 mg/dl, (B) Urine output falls to <10 ml/h, (C) Hematocrit falls to <30%, (D) Pericardial friction rub
Answer is D. Pericarditis in renal failure (acute or chronic) is an indication to initiate hemodialysis, because untreated uremic pericarditis may progress to pericardial tamponade