convulsion

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Related to Febrile convulsions: Febrile seizure

convulsion,

sudden, violent, involuntary contraction of the muscles of the body, often accompanied by loss of consciousness. It is not known what causes the abnormal impulses from the brain that result in convulsive seizures, since the disturbance may arise in normal brain tissue as well as in diseased or injured tissue. Convulsions may occur in such conditions as epilepsy, poisoning, high fever (especially in young children), disturbances of calcium or phosphorus metabolism, alkalosis, diabetes, oxygen insufficiency, and a low blood-sugar content, as well as in local irritation or injury of the brain. Persons undergoing convulsions should be guarded against self-injury (see epilepsyepilepsy,
a chronic disorder of cerebral function characterized by periodic convulsive seizures. There are many conditions that have epileptic seizures. Sudden discharge of excess electrical activity, which can be either generalized (involving many areas of cells in the brain)
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). Otherwise, treatment must be directed to the underlying cause.

convulsion

[kən′vəl·shən]
(medicine)
An episode of involuntary, generally violent muscular contractions, rhythmically alternated with periods of relaxation; associated with many systematic and neurological diseases.

convulsion

a violent involuntary contraction of a muscle or muscles
References in periodicals archive ?
We also didn't assess the recurrence of febrile convulsions after iron supplementations.
Quantitative MRI hippocampal volumes: association with onset and duration of epilepsy, and febrile convulsions in temporal lobectomy patients," Epilepsy Research, vol.
Moreover, the downregulation of NCX3 can be correlated with the number of febrile convulsions.
Anhidrosis leads to recurrent febrile convulsions due to disruption in maintanence of the body temperature and hyperthermia.
Two hundred children with a diagnosis of simple febrile convulsions in the similar age and sex group followed-up in the same child neurology out- patient clinic served as controls.
Australia recently suspended the use of H1N1 vaccine in under-fives because of an increased incidence of febrile convulsions, and Sweden and Finland have found a link between the same vaccine and an increase in the incidence of a form of narcolepsy in adolescents.
In our case, the DPT vaccine would seem to be more implicated in causing febrile convulsions than Hepatitis B as reported in literature and various studies.
Simone says that, in specific cases, it has caused injury, including "serious harms such as narcolepsy and febrile convulsions, and even a neurologic disease called Guillain Barre.
Results: Mean serum zinc concentration of patients who had febrile convulsions was 110.