Management of patient undergoing surgery (Management of patient undergoing surgery): Peri Operative Nursing: Introduction (Introduction): Three Phases of Peri Operative Period: 1.Preoperative Phase: 2.Intraoperative Phase: 3. Postoperative Phase: Role of Peri Operative Nurse: Importance of Peri Operative Nursing: Pre-operative Assessment of Patient: Introduction: 1. Medical History: 2. Physical Examination: 3.Laboratory and Diagnostic Tests: 4. Anesthesia Risk Evaluation: 5. Medication Management: 6. Counseling and Informed Consent: 7.Nutritional and Psychological Assessment: 8.Special Considerations: