Cathartic‐induced Life Threatening Hypermagnesemia in a 90‐year‐old Woman With Apparent Normal Renal Function

3** 2 (12) 0,19 t 0,Ol 40,7 t 3,3* 3 (16) 0,19 t 0,Ol 60,2 t 4,l P < .005 Group 2 vs Group 3; * * P < .001 Group 1 vs Groups 2 and 3.