The Perioperative Guideline addresses and includes recommendations on the following topics: Section 1: General Preoperative Management. Preoperative Health Screening and Assessment. Preoperative Testing (Electrocardiogram, Chest X-Ray, Hemoglobin/Hematocrit, Potassium/Sodium,Creatinine, Pregnancy, Hemostasis, and Glucose in Non-Diabetics ....