Locum CRNA Needed in Arizona, Locum shifts and flexible scheduling. 8 hour shifts ONLY Monday-Friday & call weekday and Weekend. ( if you can do 1-2 a week will be helpful). CRNAs will be cross-credentialed at all locations. Call coverage is required at 3 different locations. These facilities require ACLS and PALS and they must be AHA or American Red Cross.