Acute hyperkalemia in the emergency department: a summary from a Kidney Disease: Improving Global Outcomes conference - Lindner, Gregor; Burdmann, Emmanuel de Almeida; Clase, Catherine M; Hemmelgarn, Brenda R; Herzog, Charles A; Mlyszko, Jolanta; Nagahama, Masahiko; Pecoits-Filho, Roberto; Rafique, Zubaid; Rossignol, Patrick; Singer, Adam J (European journal of emergency medicine, 2020)