If they gave you an Electroencephalogram (EEG) and it showed certain abnormalities, that qualifies for a diagnosis of Epilepsy.
I don't know what you mean about "I want to tell someone that it wasn't a seizure." You don't have to tell anyone your health history if you don't want to. You should tell any doctor or anyone else involved in your health care treatment though.
2007-11-04 13:01:12
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answer #1
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answered by majnun99 7
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So, what are you saying? You lied about having a seizure? The made a diagnosis of epilepsy based on a laughing fit? So, if you know you could have stopped laughing and didn't tell them that just leave it alone. They won't do anything unless it happens again. Don't lie again, that's all.
2007-11-04 12:50:52
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answer #2
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answered by Anonymous
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The clinical manifestations of gelastic seizures depend on the associated pathology.
Laughter is usually a short manifestation (about 30s), particularly when it occurs as an isolated event. Although inappropriate, it can be so similar to the patients natural laughter that it can go without diagnosis for a long period of time. It has been recognized as part of a manifestation of several kinds of seizures such as partial seizures with motor symptoms, myoclonic seizures, axial tonic seizures, flexor spasms, generalized convulsive seizures, and petit mal absences (Loiseau et al 1971).
The laughter is often prolonged if it is part of a more complex seizure disorder; occasional cases of gelastic status epilepticus have also been reported (Glassman et al 1986).
The laughing component of the seizure can be differentiated regarding possible manifestations of mirth during the seizure (or sorrow during a crying seizure) as well as the affected level of consciousness.
Such manifestations seem to be more commonly associated with focalities other than hypothalamic hamartoma (mirth generated from a temporal focus). Uncomplicated gelastic seizures generated from hypothalamic hamartoma, however, usually neither show components of mirth or altered level of consciousness (Arroyo et al 1993).
Age of onset of gelastic seizures also varies depending on the associated pathology. If related to hypothalamic hamartoma, the main distribution seems to be from neonate 5 years, and the gelastic manifestations start before other later appearing seizure types. If associated with frontal lobe or temporal lobe seizures, onset is usually above the age of 5 years; gelastic seizures usually start in connection to or later than other seizure types.
Gelastic seizures associated with hypothalamic hamartoma often appear several times daily or even hourly. This differs from the less frequently appearing gelastic seizures associated with other localizations. Although occurring frequently, gelastic seizures with hypothalamic hamartoma appear benign in infancy .
Subsequently, during school-age years, the seizures usually become more complicated, other seizure types develop, and cognitive deterioration occurs. Severe behavior problems are common, and the seizures are usually intractable
It has been suggested that normal laughter is the result of an interaction of several different brain structures: the frontal and temporal neocortex; the temporo-basal cortex; the visual, olfactorial, and auditorial associative areas; the limbic system with the cingulate gyrus; and the brainstem.
The motor manifestations of laughter and the feeling of amusement or mirth have been claimed to be separable functions and, consequently, neurologically dissociated (Lopes da Silva et al 1990; Arroyo et al 1993).
Gelastic seizures have been observed to be associated with many different conditions: mainly hypothalamic hamartomas, but also as a seizure manifestation in connection with temporal and frontal lobe lesions as well as other focalities. Hypothalamic hamartoma. Non-neoplastic malformations resembling gray matter. Temporal lobe lesions.
Tumors (Clements et al 1957; Daly and Mulder 1957; Loiseau et al 1971; Chen and Forster 1973; Sethi and Rao 1976), dilated temporal horns (Gascon and Lombroso 1971; Jandolo et al 1977), atrophy (Gascon and Lombroso 1971; Chen and Forster 1973), tuberous sclerosis foci (Yamamoto et al 1988), and post infectious foci (Chen and Forster 1973).
Many of these patients could report "a funny feeling" as part of the seizure (Lehtinen and Kivalo 1965; Arroyo et al 1993), but in most patients the seizures occurred without any affective component (Loiseau et al 1971; Ames and Enderstein 1975).
Several authors have described neurovegetative manifestations following the laughter (ie, flushing and dilation of the pupils) (Clements et al 1957; Daly and Mulder 1957; Jacome et al 1980). Other phenomena described are automatisms (Gascon and Lombroso 1971), crying, running, and drops (Jacome and Risko 1984). Frontal lobe lesions. Tumors and hemangiomas (Mills 1912; Striano et al 1990; Arroyo et al 1993).
None of the patients involved experienced any sense of mirth, and the laughter was described as "unnatural" in all cases. Crying was described instead of or following laughing (Loiseau et al 1971; Striano et al 1990; Arroyo et al 1993; Kurle and Sheth 2000).
PATHOPHYSIOLOGY
The pathogenetic mechanisms of gelastic seizures are not fully understood. The interictal and ictal EEGs are unspecific in gelastic seizures.
Both focal spikes and generalized spike-and-wave discharges can be seen, thus indicating the involvement of both frontal and temporal lobes as well as subcortical structures (Arroyo et al 1993).
Dipole source localization has been tried to investigate the relationship between hypothalamic hamartoma and gelastic seizure but demonstrated limited value, even though the findings suggested that gelastic seizures were likely to originate in the hypothalamic hamartoma (Hiraiwa et al 2000).
Postictal SPECT has shown a suggested frontal focus to create hypoperfusion in both frontoparietal regions as well as in both cerebellar hemispheres (Iannetti et al 1997).
Cascino and colleagues retrospectively studied 12 patients with gelastic seizures and hypothalamic hamartoma, in which material intracranial EEG recordings performed in 8 patients indicated focal onset of seizures in the anterior temporal lobe in 7 and frontal lobe in 1 (Cascino et al 1993).
None of the 7 patients that underwent a focal cortical resection experienced a significant reduction in seizure activity. Stereo-EEG recordings from hypothalamic hamartoma, neighboring hypothalamic structures and other bilateral cortical areas have shown that gelastic seizures are linked to ictal discharges localized in the hamartoma, whereas surface registrations have failed to define an epileptogenic cortical area (Munari et al 1995).
Even though much effort has been put into understanding how gelastic seizures are being generated, the relationship between a presumed epileptogenic focus and gelastic fits still remains mysterious.
Video-EEG, preferably with sphenoidal electrodes, and MRI with high resolution technique in order to reveal the origin of gelastic seizures is of utmost importance. In specific cases, dipole recordings can be performed.
Sometimes, where a hypothalamic hamartoma has been revealed, other malformations of cortical development can be found.
These changes may simulate seizure origin, why depth electrode recording from the hypothalamic hamartoma is of importance. In such cases, the performance of interictal and ictal SPECT may be of interest as well.
The prognosis of gelastic seizures originating from frontal, temporal, or other regions of the brain is dependent of the underlying pathology; these usually have a better outcome than in connection with a hypothalamic origin.
In hypothalamic hamartoma, the gelastic seizures appear rather benign in infancy, but the seizure panorama subsequently becomes more complicated with additional generalized seizures and seizure intractability. Cognitive deterioration occurs, and severe behavior problems are frequent.
Because of the therapy resistance of gelastic seizures, a spectrum of antiepileptic drugs have been tried. However, secondary seizure manifestations may improve with medication. If hypothalamic hamartoma is diagnosed, there are several surgical options along with vagal nerve stimulation
2007-11-04 12:18:28
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answer #4
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answered by Anonymous
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