Hemiplegia
Alternate Names : Hemiparalysis
Hemiplegia is a condition in which there is paralysis on one side of the body. This paralysis may affect part of the body, such as one arm or leg, or the whole side of the body.
What is going on in the body?
Hemiplegia occurs when there is a disruption of blood flow to the brain. This causes part of the brain to die. Messages that usually tell the body when and how to function are interrupted. Paralysis in the body occurs in the side opposite of the affected part of the brain. For instance, if the right side of the brain is affected, the left side of the body becomes paralyzed.
A few types of hemiplegia include:
capsular, which is caused from an lesion on part of the internal capsule of the brain
cerebral, which is caused by a brain lesion
facial, which is paralysis on one side of the face
spastic, which is paralysis and spastic or stiff, unusual movements of the body, occurring more often in infants
spinal, which is associated with lesions on the spine
What are the causes and risks of the condition?
Hemiplegia is caused by a disruption in the blood flow to part of the brain. This may be due to a stroke, a brain tumor, or excessive bleeding from a head injury.
A person with diabetes, high blood pressure, or high cholesterol is more at risk for a stroke. Other factors that increase the risk of a stroke include obesity, smoking, leading a sedentary lifestyle, and drinking alcohol.
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