CRITICAL CARE
Ankylosing Spondylitis and Related Disorders
Chapter 215 Ankylosing Spondylitis and Related Disorders Carey Field Ankylosing Spondylitis Definition and Epidemiology The seronegative spondyloarthropathies are a group of inflammatory arthritides sharing many clinical, radiographic, and genetic features….
Hyperkalemia and Hypokalemia
Chapter 209 Hyperkalemia and Hypokalemia Joanne Sandberg-Cook Definition and Epidemiology The amount of potassium present in the average human body is approximately 50 mEq/kg. Of this, 90% is found in intracellular…
Trigeminal Neuralgia
Chapter 202 Trigeminal Neuralgia Wanda J. Handel Definition and Epidemiology Trigeminal neuralgia is a common and well-defined pain disorder affecting the sensory branches of the trigeminal nerve. It is also…
Myocarditis
Chapter 124 Myocarditis John R. Butterly Definition and Epidemiology Myocarditis is the term used to include any pathologic process in which inflammation involving the myocardium is identified. The basic definition…
Cholelithiasis and Cholecystitis
Chapter 129 Cholelithiasis and Cholecystitis Meghan Glynn Definition and Epidemiology Cholelithiasis and cholecystitis are worldwide disorders that result from inflammatory, infectious, neoplastic, metabolic, and congenital conditions. Gallbladder disease affects all…
Otitis Externa
Chapter 85 Otitis Externa Jacqueline Rosenjack Burchum Definition and Epidemiology Otitis externa is a cellulitis of the external auditory canal that may extend to the auricle (pinna).1 The condition is…
Amyotrophic Lateral Sclerosis
Chapter 189 Amyotrophic Lateral Sclerosis Stephanie Cassone Definition and Epidemiology Amyotrophic lateral sclerosis (ALS) is the most common of the progressive motor neuron diseases. It is also often referred to…
Abdominal Aortic Aneurysm
Chapter 117 Abdominal Aortic Aneurysm Patricia Jordano Definition and Epidemiology An abdominal aortic aneurysm (AAA) is a progressive, permanent, localized dilation of the abdominal aorta with aortic diameter of 3.0 cm…