A herniated (slipped) disk occurs when all or part of a spinal disk is forced through a weakened part of the disk. This places pressure on nearby nerves.
Acute low back pain
Chronic low back pain
Lumbar radiculopathy; Cervical radiculopathy; Herniated intervertebral disk; Prolapsed intervertebral disk; Slipped disk; Ruptured disk; Herniated nucleus pulposus
Causes, incidence, and risk factors
The bones (vertebrae) of the spinal column run down the back, connecting the skull to the pelvis. These bones protect nerves that come out of the brain and travel down your back, forming the spinal cord. Nerve roots are large nerves that branch out from the spinal cord and leave your spinal column between each vertebrae.
The spinal vertebrae are separated by disks filled with a soft, gelatinous substance. These disks cushion the spinal colum...
Spongy degeneration of the brain; Aspartoacylase deficiency
Genetic counseling is recommended for people who want to have children and have a family history of Canavan disease. Counseling should be considered if both parents are of Ashkenazi Jewish descent. For this group, DNA testing can almost always tell whether one or both parents is a carrier.
A diagnosis may be made before the baby is born (prenatal diagnosis) by testing the amniotic fluid .
Rezvani I. Defects in metabolism of amino acids. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF. Nelson Textbook of Pediatrics . 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 85.
Alzheimer's disease is a disease of the central nervous system that causes "dementia." Dementia is a condition that is marked by the loss of the ability reason, plan, think, and remember. Dementia and Alzheimer's are not the same. Dementia is a name given to a set of symptoms and has many causes. Of the several diseases that cause dementia, Alzheimer's disease is the most common. Alzheimer's disease is a chronic, degenerative disease that destroys brain cells. It causes a decline in mental function. The course of the disease is usually slow. As the disease attacks the brain, it robs the patient of the ability to control emotions, practice complex reasoning, recognize patterns, use judgment, speak, or remember. During the final stage of Alzheimer's, the patient loses all memory and mental functioning. Often, it is not the patient that notices the first Alzheimer's disease symptom. Family members or a spouse will make note of forgetfulness or other memory impairment. Patients ma...
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