convulsion


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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 ?
And our springtime favourites Daffodils -- if a dog digs up and chews on the bulb it could lead to vomiting, diarrhoea and convulsions."
'Seizures or convulsions are known potential side effects of nicotine toxicity and have been reported in the scientific literature in relation to intentional or accidental swallowing of e-liquid,'' she said.
The court heard that from the age of seven months Abdul Haadi had a history of febrile convulsions - which are fits which can happen when a child has a high fever.
A study done by Ehsanipoor et al [21], children between 6 months to 5 years of age were classified into three groups like children with febrile seizures, children with fever without convulsion and children with convulsions without fever.
The doctor didn't seem to know what to do (she was very helpful though) and they were discussing in front of us while our daughter was having the convulsion.'
PTZ convulsions: [10] PTZ at a dose of 60 mg/kg i.p was given to produce convulsion in all mice.
Convulsions occur as a result of these processes (2).
This study aimed to determine if the CD38/cADPR pathway plays a role in ropivacaine-induced convulsion, as well as to explore the underlying mechanism.
Case-control study of the relationship between anemia and febrile convulsion in children between 9 months and 5 years of age.
But because of the emergency physicians focused on convulsion such kind of fractures and dislocations could be overlooked.
The mosquito-borne disease can cause fever, convulsions and coma and is more likely to kill children than adults.