A 27-year-old man presented with weight loss, diarrhea, tremor, and proximal muscle weakness. The blood level of potassium was 1.8 mmol per liter. A diagnosis was made.

The 27-year-old appeared in 11 games last year with the Brewers at the big league level. He had two at-bats in 17 at-bats and saw time at second base and in the outfield.