CH15: EPILEPSY Flashcards
how many percent of patients with absence are completely motionless during the attack (p. 336)
10%
For absence, rarely seizures begin before 4 years of age or after puberty (p. 336)
TRUE
Difference between childhood and adolescence absence seizure (p. 336)
Persistence into adulthood
EEG finding in absence seizur (p. 336)
Generalized 3 per second spike and wave
EEG finding in atypical absence seizure (p. 337)
Long runs of slow spike and wave activity
EEG finding in Lennox- Gestaut syndrome (p. 337)
1-2 Jz spike and wave
Lennox Gastaut preceded by this condition in early life (p. 337)
Hypsarrhythmia
Hypsarrhythmia+ mental development arrest + hypsarrhythmia (p. 337)
West syndrome
most common form of idiopathic generalized epilepsy in older children and young adults (p. 337)
Juvenile Myoclonic Epilepsy
EEG findings in JME (p. 337)
4-6 Hz irregular polyspike activity
JME impairs intelligence (p. 337)
FALSE
Drug of choice for JME (p. 337)
Valproic Acid
Drug of choice for JME, but child- bearing age (p. 337)
Levetiracetam, Lamotrigine
Drugs that exaggerate seizures in JME (p. 337)
Carbamazepine and Phenytoin
Olfactory hallucination localization (p.339)
Inferior and medial part, temporal lobe
Gustatory hallucination localization (p.339)
Insula and parietal operculum
Most frequent reported color during visual seizure (p. 339)
Red
Auditory hallucination localization (p. 339)
Superior temporal convulsion
Vertiginous sensation localization (p. 339)
Superoposterior temporal region
pathologic findings of Infantile spasms (p. 343)
Cortical dysgenesis
common precipitant of Febrile seizure beacause of its tendency to cause high fever (p. 344)
Herpesvirus 6
EEG findings in epilepsia partialis continue (p. 345)
repetitive slow- wave or sharp waves or spikes over the central areas of the contralateral hemisphere
EPC- resistant or not to treatment? (p. 345)
RESISTANT TO TREATMENT
EPC + progressive hemiparesis (p. 345)
Rasmussen Syndrome
Antibodies in Rasmussen encephalitis (p. 345)
Anti- GluR3
A single EEG tracing obtained during the interictal state is abnormal to some degree in what percentage of patients (p. 348)
30% to 50%
gross and microscopic CNS findings in brains of patients with epilepsy (p. 349)
NORMAL
loss of neurons in what part of the hippocampus in MTS (p. 349)
CA1
overall concordance of primary epilepsies (p. 349)
70% monozugotic, 30% dizygotic
problematic channel in AD nocturnal frontal lobe epilepsy (p. 350)
nicotinic acetalcholine receptor subinit
problematic channel in generalized epiilepsy with febrile seizures plus (p. 350)
neuronal sodium channel
problematic channel in benign familial neonatal convulsions (p. 350)
two different potassium channels
problemattic hcannel in JME and childhood absence (p. 350)
brain GABA
progressive myoclonic epilepsy, problematic cystatin B (p. 350)
Unverricht- Lundborg disease
progressive myoclonic epilepsy, tyrosine phophate B (p. 350)
Lafora body disease
sudden myoclonic jerk of the head and arms leading to flexion or extension of the body (p. 353)
Infantile spasms
bilateral slow waves and multifocal spikes in EEG (p. 354)
West syndrome
myoclonic focal seizures, loss of function mutation in SCN1A in most cases (p. 354)
Dravet Syndrome
most common lesions underlying status epilepticus in late adult life (p. 355)
Previous infarcts
seizure from advanced Alzheimers (p. 355)
10%
Most common metallic poison causing seizures: childhood (p. 356)
Lead
Most common metallic poison causing seizures: adulthood (p. 356)
Mercury
cephalosporin if excessive dosage can cause status epilepticus (p 356)
Cefipime
2 drugs induced unheralded single convulsion if administered too quicklu or in excessive doses (p. 356)
Lidocaine and Aminophylline
Anticonvulsant but causes myoclonic phenomena upon withdrawal (p. 356)
Propofol
Rate of seizures post stroke (p. 357)
3%
how many percent of women who became pregnant have no change in seizure frequency (p. 357)
2/3
Safe drugs in breast feeding (p. 357)
Carbamazepine, Phenytoin, VPA
Drugs increased in breast milk (p. 357)
Pb, Primidone, Ethosoxumide, Zonisamide, BZD
Vitamin K given at 8th month or before birth due to coagulopathy due to this AED (p. 357)
Phenobarbital
Most common teratogenic effect of AED (p. 357)
Cleft lip and palate
General risk of major copngenital effect with AED vs no AED (p. 357)
4-5% from 2-3%
shortened nose, philtrum or inner canthal distance (p. 357)
midface hypoplasia
decrease in IQ by 9 points (p. 358)
Valproate
highest risk and significant dose effect for an individual for fetal malformation (p. 358)
Polytherapy
AED for patient not having AED for a long time but had seizure during pregnancy (p. 358)
PHY LEV
induce hepatic enzymes, if on pills should be given higher doses (p. 358)
PHY, CBZ, TPR
dose of magnesium in patients with eclampsia (p. 358)
10gm IM, 5g IM q4
percent of patients controlled seizures on one drug (p. 359)
70%
drug that will not have linear kinetics once concentration exceeds 10mg/ml (p. 361)
PHY
drug inducing its own metabolism (p. 361)
CBZ
Antibiotic causes accumulation of PHY and Pb (p. 362)
Chloramphenicol
Antibiotic causes accumulation of CVZ (p. 362)
Erythromycin
Drugs causing breakthrough menstrual bleeding in women taking OCP (p. 362)
PHY, CBZ, Barbiturates
Aromatic drugs responsible for skin erruptions (p. 362)
PHY. CBZ, Pb, Primitone, LMT
Polymorphisms associated with increased risk of skin reactions (p. 362)
HLA B 1502
Relapse rate is lower in patients with absence and generalized- onset than in patients with focal seizures (p. 362)
TRUE
SE of PHY (p. 363)
gum hypertrophy, breast enlargement
Phenytoin hypersensitivity signs (p. 363)
Rash, fever, lymophadenopathy, eisinophilia, blood dyscrasia
PHY not given with this drugs because of undesirable reactions (p. 363)
Disulfiram, Chloramphenicol, Sulfamethizole, Cyclophosphamide, Warfarin
drug acting on glutamic acid decarboxylase and sodium channel (p. 365)
Valproate
drug inhibits GABA transaminase (p. 365)
Vigabatrin
drug inhibitor of GABA reuptake (p. 365)
Tiagabine
AED induces renal stones in 1.5% of population (p. 366)
Topiramate
AED, works on voltage- gated sodium channel, renally excreted, prolong PR interval, worsen heart failure (p. 366)
Lacosamide
Two frugs known to produce absence status (p. 366)
Valproate and Clonazepam
Drug of choice for infantile spasms (p. 366)
ACTH or Vigabatrin
Volatile anesthetic used in circumstances of SE (p. 368)
Isoflurane
Ketogenic diet is main treatment for children with what deficiency syndrome (p. 369)
GLUT 1 deficiency syndrome