A 35 year old male civil servant presented with weakness and tiredness. Serum potassium varied from 2.2 to 2.8. There were no significant previous illnesses and no family history of note. Clinical examination was normal. Blood pressure was 100/60. Investigations showed the following:
| Blood count | normal |
| Biochemistry (blood) | |
| Biochemistry (urine) | |
| Microbiology | |
| Other | ECG: U waves |
What is the most likely diagnosis?
Give three reasons
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Discussion: Nephrol Dial Transplant 16:1066-8 (May 2001)
From EdREN, the website of the Renal Unit at the Royal Infirmary of Edinburgh, Scotland, UK. This page last modified in May 2001.