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Ptosis Learning Center
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Starting at what is commonly called middle age, operations of the human body begin to be more vulnerable to daily wear and tear; there is a general decline in physical, and possibly mental, functioning. In the Western countries, the length of life...
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Aging is the process of growing older, a process that includes physical changes and, sometimes, mental changes. "The aged" refers to elderly people, those who have reached an advanced age.
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Starting at what is commonly called middle age, operations of the human body become more vulnerable to daily wear and tear. There is a general decline in physical, and possibly mental, functioning. In the Western countries, the length of life ofte...
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This term is used by demographers when referring to an increase over time in the proportion of older persons in the population. It does not necessarily imply an increase in life expectancy, that "people are living longer that they used to," or tha...
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Horner syndrome is a rare condition that affects the nerves to the eye and face.
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William Edmonds Horner (1793-1853) first described a small muscle at the angle of the eyelid (tensor tarsi) as well as a description of an ingenious operation to correct problems with the lower lid in 1824 in the American Journal of the Medical Sc...
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The following Clinical Topic Tour provides an overview of stroke and was adapted from materials published by the National Institute of Neurological Disorders and Stroke and the Centers for Disease Control and Prevention.
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A stroke is the sudden death of brain cells in a localized area due to inadequate blood flow.
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A stroke is an interruption of the blood supply to any part of the brain. A stroke is sometimes called a "brain attack." See also: Arteriovenous malformation (AVM)
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Stroke is an increasing public health concern throughout the world as the leading cause of long-term disability. There is estimated to be over 3.5 million survivors of stroke in the United States.
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A stroke is an interruption of blood circulation to the brain causing a neurologic deficit reflecting the area of the brain affected. Stroke can be ischemic or hemorrhagic. 1 Ischemic stroke is most prevalent.
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A stroke is the sudden death of brain cells in a localized area due to inadequate blood flow.
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A stroke is an interruption of the blood supply to any part of the brain. A stroke is sometimes called a "brain attack." There are two major types of stroke: ischemic stroke and hemorrhagic stroke. When a blood vessel that supplies blood to the br...
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There are various clinical and pathological subtypes of stroke, and identification of the subtype is necessary for correct management. Investigations Imaging Brain imaging should be performed within the first 48 hours of the onset of stroke (see below), to determine whether the stroke is haemorrhagic or ischaemic and to exclude other causes (e.g. tumour).
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Stroke, or cerebrovascular accident (CVA), is the third leading cause of death (after heart disease and cancer) in the United States and the industrialized countries of the world. The term "stroke," which comes from subjects being suddenly "struck...
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A stroke is an interruption of the blood supply to any part of the brain. Stroke is the leading cause of disability among adults in the United States. It is the country's third leading cause of death. This article discusses recovery from stroke. H...
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Cerebrovascular accident (CVA) is the medical term for what is commonly termed a stroke. It refers to the injury to the brain that occurs when flow of blood to brain tissue is interrupted by a clogged or ruptured artery, causing brain tissue to di...
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A stroke, also called a cerebral infarction, is a life-threatening condition marked by a sudden disruption in the blood supply to the brain.
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A stroke, also called a cerebral vascular accident (CVA), is the sudden death of cells in a specific area of the brain due to inadequate blood flow.
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Stroke is the common name for the injury to the brain that occurs when the flow of blood to brain tissue is interrupted by a clogged or burst artery. Arterial blood carries oxygen and nutrition to the cells of the body. When arteries are unable to...
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Diabetes is a chronic (lifelong) disease marked by high levels of sugar in the blood. See also: Gestational diabetes; Type 1 diabetes; Type 2 diabetes; Metabolic syndrome.
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Diabetes is a chronic (lifelong) disease marked by high levels of sugar in the blood. Those with diabetes are at high risk for a number of complications. See also: Diabetes; Gestational diabetes; Metabolic syndrome; Type 1 diabetes; Type 2 diabetes.
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Diabetes mellitus is a condition in which the pancreas no longer produces enough insulin or when cells stop responding to the insulin that is produced, so that glucose in the blood cannot be absorbed into the cells of the body. Symptoms include fr...
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Gestational diabetes mellitus (GDM) is a condition that occurs during pregnancy . Like other forms of diabetes, GDM involves a defect in the way the body processes and uses sugars (glucose) in the diet. Gestational diabetes, however, has a number ...
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Diabetes is the Greek term for "passing through," a phrase used to describe multiple diseases characterized by excessive urination. There are multiple forms of diabetes. The most frequently described is diabetes mellitus, a chronic disorder involv...
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A serious disorder caused by an absence of or insufficient amount of insulin in the bloodstream. Insulin is a hormone produced by the pancreas in varying amounts, depending on the concentration of glucose (sugar). When the pancreas is unable to se...
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Diabetes mellitus describes a group of diseases in which there is an elevated level of the sugar glucose, the body's main source of energy for cellular functions, in the blood. The level of glucose, as well as other "fuel" molecules, is increased ...
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Diabetes mellitus is a common metabolic disorder resulting from defects in insulin action, insulin production, or both. Insulin, a hormone secreted by the pancreas, helps the body use and store glucose produced during the digestion of food. Charac...
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Diabetes mellitus is a condition that occurs when either the pancreas does not produce enough insulin or the body's cells stop responding to the insulin that is produced. In either case, glucose in the blood cannot be absorbed or used by the cells...
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Diabetes mellitus is a chronic disease in which the body is not able to correctly process glucose for cell energy due to either an insufficient amount of the hormone insulin or a physical resistance to the insulin the body does produce. Without pr...
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Gestational diabetes is a condition that occurs during pregnancy . Like other forms of diabetes, gestational diabetes involves a defect in the way the body processes and uses sugars (glucose) in the diet. Gestational diabetes, however, has a numbe...
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A brain tumor is an abnormal growth of tissue in the brain. Unlike other tumors, brain tumors spread by local extension and rarely metastasize (spread) outside the brain. A benign brain tumor is composed of non-cancerous cells and does not metasta...
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A primary brain tumor is a group (mass) of abnormal cells that start in the brain. This article focuses on primary brain tumors in adults. See also: Brain tumor - metastatic (cancer that has spread to the brain from elsewhere in the body; Brain tu...
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A brain tumor is an abnormal growth of tissue, either malignant (cancerous) or benign (noncancerous), in the brain. Each year, more than 17,000 brain tumors are diagnosed in the United States.
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