A prospective observational study to identify the role of magnesium as a prognostic indicator in critically ill patients admitted in the icu of a tertiary care centre in south india shameel kk1, ashwathi gangadharan2, gayathri av3 received on: 07 september 2023; accepted on: 09 november 2023; published on: 28 november 2023 national journal of emergency medicine semi, volume 1 issue 2 (may–august 2023)