http://www.semanticweb.org/rjyy/ontologies/2015/5/ESSO#Absence_Seizure

Absence_Seizure

Bancaud 1981 A. Absence Seizures The hallmark of the absence attack is a sudden onset, interruption of ongoing activities, a blank stare, possibly a brief upward rotation of the eyes. If the patient is speaking, speech is slowed or interrupted; if walking, he stands transfixed; if eating, the food will stop on his way to the mouth. Usually the patient will be unresponsive when spoken to. In some, attacks are aborted when the patient is spoken to. The attack lasts from a few seconds to half a minute and evaporates as rapidly as it commenced. 1. Absence with impairment of consciousness only. The above description fits the description of absence simple in which no other activities take place during the attack. 2. Absence with mild clonic components. Here the onset of the attack is indistinguishable from the above, but clonic
movements may occur in the eyelids, at the
corner of the mouth, or in other muscle
groups which may vary in severity from almost imperceptible movements to generalized myoclonic jerks. Objects held in the hand may be dropped. 3. Absence with atonic components. Here there may be a diminution in tone of muscles subserving posture as well as in the limbs leading to drooping of the head, occasionally slumping of the trunk, dropping of the arms, and relaxation of the grip. Rarely, tone is sufficiently diminished to cause this person to fall. 4. Absence with tonic components. Here during the attack tonic muscular contraction may occur, leading to increase in muscle tone which may affect the extensor muscles or the flexor muscles symmetrically or asymmetrically. If the patient is standing the head may be drawn backward and the trunk may arch. This may lead to retropulsion. The head may tonically draw to one or another side. 5. Absence with automatisms. (See also prior discussion on automatisms.) Purposeful or quasipurposeful movements occurring in the absence of awareness during an absence attack are frequent and may range from lip licking and swallowing to clothes fumbling or aimless walking. If spoken to the patient may grunt or turn to the spoken voice and when touched or tickled may rub the site. Automatisms are quite elaborate and may consist of combinations of the above-described movements or may be so simple as to be missed by casual observation. Mixed forms of absence frequently occur. Luders 1998 For example, an episode of altered consciousness associated with generalized 3- Hz, spike-and-wave EEG activity is identified as an absence seizure.

http://www.semanticweb.org/rjyy/ontologies/2015/5/ESSO#Generalized_Seizure

http://www.semanticweb.org/rjyy/ontologies/2015/5/ESSO#Buchhalter_Meeting