PMC 1413606 Hyperkalemia revisited Free full text "Hyperkalemia revisited" PubMed Central, revista del Instituto del Corazón de Texas Texas Heart Institute Journal: Hyperkalemia Revisited http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1413606/ Texas Heart Institute Journal: Hyperkalemia Revisited Hyperkalemia Revisited case study abstract