absence

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Related to absences: petit mal epilepsy

ab·sence

(ahb-sahns'), This word, based on French absence 'fit of abstraction', is correctly pronounced as in French, ahb-sahns', as shown here.
Paroxysmal attacks of impaired consciousness, occasionally accompanied by spasm or twitching of cephalic muscles, which usually can be brought on by hyperventilation; depending on the type and severity of the absence, the EEG may show an abrupt onset of a 3-second spike-and-wave pattern as in simple absence, or in atypical cases a 4-second spike-and-wave or faster spike complexes. The clinical states accompanying these EEG abnormalities may be classified as: 1) absence with no overt manifestations, for example, simple absence; epileptic absence; subclinical absence; 2) absence with clonic movements, for example, myoclonic absence; 3) absence with atonic states, for example, atonic absence; 4) absence with tonic contractions, for example, hypertonic muscular contraction; 5) absence with automatisms, for example, various stereotypic movements, usually of the face or hands; 6) absence with atypical features, for example, bizarre motor activity.
[L. absentia]

absence

Absence attack, absence seizure, petit mal epilepsy Neurology A common form of childhood epilepsy characterized by episodic arrest of sensation and voluntary activity Clinical Transient loss of contact with the environment-eg brief staring spell, minimal motor manifestations, ± decline in school performance Diagnosis 3-mins of hyperventilation test may elicit an 'absence' Management Trimethadione, ethosuximide. Cf Grand mal seizure.

absence

The state of brief incommunicability and unresponsiveness which occurs repeatedly in the minor form of EPILEPSY known as PETIT MAL or which may occur in conjunction with other epileptic manifestations, or as a result of HYPERVENTILATION.

ab·sence

(ab'sahnz')
Paroxysmal attacks of impaired consciousness, occasionally accompanied by spasm or twitching of cephalic muscles, which usually can be brought on by hyperventilation.
[L. absentia]

Patient discussion about absence

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More discussions about absence
References in classic literature ?
They found him holding his leave of absence in one hand, and M.
Can you explain to me what signify this leave of absence and this letter, which I have just received?
Well, this leave of absence and that letter mean that you must follow me, Athos.
Since when, I wonder, in the Musketeers, did they grant men leave of absence without their asking for it?
D'Artagnan is right," said Athos; "here are our three leaves of absence which came from Monsieur de Treville, and here are three hundred pistoles which came from I don't know where.
If anyone wishes to stop us, I will show Monsieur de Treville's letter, and you will show your leaves of absence.
I resumed the daily work, which had been suspended during my absence in Hampshire.
Catherick had married, the purpose of concealment which the marriage was intended to answer, might well keep her silent for caution's sake, perhaps for her own pride's sake also, even assuming that she had the means, in his absence, of communicating with the father of her unborn child.
Hence we have only to suppose that such wandering species have been modified through natural selection in their new homes in relation to their new position, and we can understand the presence of endemic bats on islands, with the absence of all terrestrial mammals.
Besides the absence of terrestrial mammals in relation to the remoteness of islands from continents, there is also a relation, to a certain extent independent of distance, between the depth of the sea separating an island from the neighbouring mainland, and the presence in both of the same mammiferous species or of allied species in a more or less modified condition.
All the foregoing remarks on the inhabitants of oceanic islands,--namely, the scarcity of kinds--the richness in endemic forms in particular classes or sections of classes,--the absence of whole groups, as of batrachians, and of terrestrial mammals notwithstanding the presence of aerial bats,--the singular proportions of certain orders of plants,--herbaceous forms having been developed into trees, &c.
As the door remained open, we distinctly saw Mademoiselle Stangerson, taking advantage of the steward's absence, and while her father was stooping to pick up something he had let fall, pour the contents of a phial into Monsieur Stangerson's glass.