Introduction -- Styles of Medical Consultation -- The Preoperative Evaluation -- Perioperative Medication Management -- Anesthesia Pearls -- Cardiovascular Risk Stratification -- Ischemic Heart Disease -- Perioperative Beta-blockers -- Atrial Fibrillation -- Hypertension -- Valvular Heart Disease -- Implantable Cardiac Electronic Devices -- Diabetes Mellitus -- Stress-Dose Steroids -- Thyroid Disease -- Liver Disease and Perioperative Risk -- Inflammatory Bowel Disease -- Chronic Anticoagulation -- Disorders of -- Thrombocytopenia -- Heparin-Induced Thrombocytopenia -- Anemia -- Sickle Cell Disease -- Cerebrovascular Disease -- Epilepsy and Seizure Disorders -- Parkinson's Disease -- Pulmonary Risk Assessment and Management -- Asthma and COPD -- Obstructive Sleep Apnea and Obesity Hypoventilation Syndrome -- Pulmonary Hypertension -- Venous Thromboembolic Disease -- Restrictive Lung Disease -- Chronic Kidney Disease -- Acute Kidney Injury -- Rheumatoid Arthritis -- Systemic Lupus Erythematosus -- Gout and Pseudogout -- Bariatric Surgery -- Decision-Making Capacity -- Perioperative Care of Elderly Patients -- Nutrition -- Patients with A Solid Organ Transplant -- Substance Abuse and Dependence -- The Postoperative Evaluation -- Postoperative -- Postoperative Delirium -- Postoperative Ileus -- Surgical Procedures Overview.