Mitral Valve Disease: Stenosis and Regurgitation
Mitral Valve Disease Stenosis and Regurgitation Ronan J. Curtin, Brian P. Griffin The mitral valve is made up of the annulus, anterior and posterior leaflets, and chordae, which attach the…
Aging and Preventive Health
Aging and Preventive Health Ronan Factora ROLE OF FRAILTY IN PREVENTIVE HEALTH Health maintenance and preventive measures contribute to the maintenance of independent function and quality of life in the…
Lung Cancer
Lung Cancer Peter J. Mazzone DEFINITION Lung cancer is a major public health problem. In the United States, 31% of cancer deaths in men and 26% of cancer deaths in…
Attention-Deficit/Hyperactivity Disorder in Adults
Attention-Deficit/Hyperactivity Disorder in Adults George E. Tesar, Raul J. Seballos DEFINITION AND ETIOLOGY Attention-deficit/hyperactivity disorder (ADHD) is the current diagnosis for what was previously labeled minimal brain damage, minimal brain…
Diabetes Mellitus: Disease Management
Diabetes Mellitus Disease Management Byron J. Hoogwerf Diabetes mellitus (DM) is historically characterized by hyperglycemia. The pathophysiologic processes causing hyperglycemia include insulin deficiency, impaired glucose disposal (insulin resistance), and increased…
Non-Hodgkin’s and Hodgkin’s Lymphoma
Non-Hodgkin’s and Hodgkin’s Lymphoma Stephen Smith DEFINITION AND ETIOLOGY Non-Hodgkin’s lymphoma (NHL) and Hodgkin’s lymphoma (HL) are neoplasms arising from cells of the lymphoid lineage. T and B cells originate…
Multiple Sclerosis
Multiple Sclerosis Robert J. Fox Multiple sclerosis (MS) is a chronic inflammatory disorder of the central nervous system (CNS). It usually affects people beginning in their 20s or 30s and…
Atrial Fibrillation
Atrial Fibrillation Thomas J. Dresing, Robert A. Schweikert DEFINITION Atrial fibrillation (AF) occurs when the electrical impulses in the atria degenerate from their usual organized rhythm into a rapid chaotic…