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CHAPTER 20 Diabetic emergencies
Mariecely Luciano‐Feijoó, José G. Cabañas, and Jane H. Brice
Introduction
Characterized by absent or diminished insulin secretion by the pancreas, or by defects of insulin receptors in the body, diabetes is the most common endocrine disorder. Hypoglycemia is the most common endocrine emergency [1]. Type 1 diabetes occurs when pancreatic beta cells are destroyed, removing the body’s only insulin‐producing mechanism. Typically occurring in children and adolescents, type 1 diabetes accounts for 5%‐10% of diabetes cases. Affected individuals require exogenous insulin administration to survive. Type 2 diabetes is more common, responsible for 90%‐95% of all diabetes diagnoses. Rather than a defect of insulin production, type 2 diabetes is characterized by insulin resistance at the cellular level and gradual failure of pancreatic production of insulin. Type 2 diabetes occurs predominantly in older adults and is associated with physical inactivity, obesity, and a history of gestational diabetes. Women who experience gestational diabetes carry a 35%‐60% chance of developing type 2 diabetes over the next 5 to 10 years [2]. Diabetes remains a major cause of coronary heart disease and stroke, and it is the seventh leading cause of death in the United States.
Diabetes is a chronic disease that, at present, has no cure. In 2018, 34.2 million persons in the United States were living with diabetes, representing 10.5% of the U.S. population. Of these, 26.9 million people had known diagnoses of diabetes, and the remaining 7.3