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Unexplained metabolic alkalosis on hemodialysis
A 51-year-old man on hemodialysis has had an unexplained serum bicarbonate of 40 for several years. There is no lung disease nor any other reason for CO2 retention, and the patient denies taking or ingesting anything unusual beyond a normal diet. What are the possibilities for diagnosis? How would you approach this medical mystery? Join this discussion

Summary provided by Roger Rodby, MD, FASN.
Previous Community Minded Summaries are available at: https://community.asn-online.org/browse/communityminded