Restricting Chart to a Patient
I am trying to create a line diagram to show the progress of a patient with regard to one parameter, like Heart Rate, on a ward over a period. The X Axis will have the parameter range, something like 0-200 bpm, common to all graphs. The Y Axis needs to show the HR for that patient over the days or weeks that he/ she has been cared for. HOw can I write a calculation field to do this??? Have tried and scratched my head for a bit!