Physiology of diabetes mellitus and types of insulin -- Subcutaneous insulin: a guide for dosing regimens in the hospital -- IV insulin infusions: how to use an "insulin drip" -- Laboratory testing in hospitalized patients with diabetes mellitus -- Inpatient diabetes education: realistic and evidence-based -- Hyperglycemic emergencies: diabetic ketoacidosis and hyperosmolar hyperglycemic state -- Medical nutrition therapy in the hospital -- Insulin pumps and glucose sensors in the hospital -- Non-insulin antidiabetic medications in the inpatient setting -- Hypoglycemia -- Transitioning to outpatient care -- Management of hyperglycemia associated with enteral and parenteral nutrition -- When to consult endocrinology -- Frequently asked questions.