NURS 3664 Lecture Notes - Lecture 27: Epilepsy, Seizure Threshold, Smoking Cessation
Document Summary
Transient, uncontrolled electrical discharge of neurons in the brain, interrupting normal function. May accompany other disorders or occur spontaneously without apparent cause. Medications, such as certain pain relievers, antidepressants or smoking cessation therapies, that lower the seizure threshold. Alcohol abuse, during times of withdrawal or extreme intoxication. Illegal or recreational drugs, such as amphetamines or cocaine. Seizures resulting from metabolic disturbances are not considered epilepsy if seizures cease when underlying condition is corrected. Disease with continuing predisposition to seizures with consequences. Characterized by loss of consciousness and falling. Body stiffens (tonic) with subsequent jerking of extremities (clonic) Cyanosis, excessive salivation, and tongue or cheek biting may occur. Postictal phase for tonic-clonic characterized by muscle soreness, fatigue. May not feel normal for hours to days. Usually occurs only in children and rarely beyond adolescence. May cease as child matures or develop into another type. Can be precipitated by flashing lights and hyperventilation. May occur up to 100 times/day when untreated.
