Seizure
Medical Author:
Scott H Plantz, MD, FAAEM
Medical Editor:
N Stuart Harris, MD, MFA
Medical Editor:
Francisco Talavera, PharmD, PhD
Medical Editor:
James Kimo Takayesu, MD
Seizure OverviewAbnormal electrical activity in the brain triggers seizure activity. A person may have a seizure disorder (epilepsy) and require medications. Other factors such as hypoglycemia (low blood sugar), which is a diabetic reaction, may cause seizures. Meningitis or a head injury may also cause a seizure. Fainting can also cause a series of jerking movements as the person loses consciousness. These movements do not necessarily indicate a seizure. |
Epilepsy
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The control centers of the brain
The brain controls how our body functions, how we think, how we see, how we talk, and how we move. The signals to and from the brain are transmitted through the spinal cord to the rest of the body.
- The right side of the brain controls the left side of
the body, and the left side of the brain controls the right side of the body.
This includes movement and sensation.
- Speech centers usually are located in the Broca's area on the left side of the brain.
- Vision is controlled by the back of the brain in the occipital lobes.
- The
carotid arteries
provide the majority of the blood supply to these parts of the brain (known as
the anterior
circulation).
- Balance and coordination are controlled by the cerebellum, or the base of the brain, and its blood supply comes from ...
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Seizures in the Emergency Department »
Seizures are a common cause of visits to the emergency department (ED).
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