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Grand mal seizure

Grand mal seizure is also well-known under the name tonic-clonic seizure and itis a medical term for the occurrence of the loss of consciousness and strongmuscle contractions. In the majority of cases, people who suffer from grand mal seizureusually do not have another one ever. Nevertheless, it is recommended to usemedications for this disorder every day in order to control it.

Two stages of grand mal seizures

Grand mal seizure is characterized bytwo phases; the first stage is known as tonic stage, while the second is known asclonic stage. Tonic stage lasts about 10 to 20seconds and is featured by the person’s loss of conciseness and a sudden musclecontraction that causes the person to fall down. Clonic stage, which usually lastsabout two minutes or less, is characterized by rhythmic contractions of themuscles that alternately flex and relax.

Causes of grand mal seizure

The proper function of the musclesdepends on the electrical signals that are sent form the neurons in the brain. Inthe case of grand mal seizure, the neurons are affected and they cannot properlysend these signals, so that their transmission to the muscles cannot be controlled.Because the neurons in the brain are affected, this type of seizure affects theentire body and not only some part, such as, for example, limbs or legs.

The causes for the occurrence ofgrand mal seizure are various and numerous, such as head injury, meningitis, insufficientmagnesium and calcium, as well as stroke and brain tumors. In many cases, people who sufferedfrom a severe head injury had this type of seizure later in their life. Physicalinjuries to the head may cause improper functioning of the neurons in thebrain.

Another cause for the appearance ofa grand mal seizure is meningitis, which is a medical term for the inflammationof the membranes that protect the brain and spinal cord. Meningitis may becaused by a virus or bacterial infection, and the latter is more dangerous andmust be treated promptly. Otherwise, meningitis may affect the neurons in thebrain and cause violent muscle contractions.

The abnormal change of electricalactivity in the brain may be caused by the low levels of magnesium and calciumin the blood. Furthermore, stroke is also one ofthe potential causes for the occurrence of grand mal seizure. It is so becausethe brain is not sufficiently supplied by the blood. People who suffer for a brain tumorare usually at high risk for the incidence of a grand mal seizure because anabnormal mass of tissue in the brain may cause this disorder.

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