neuro Flashcards
(39 cards)
when does infantile spasms present
first 4-8 months of life (males)
features infantile spasms
flex trunk, head, arms –> extension of arms // last 1-2 seconds but up to 50 times // progressive mental handicap // (poor prognosis)
invx infantile spasm
EEG –> hypsarrhythmia // CT
mx infantile spasm
vigabatrin +/- steroids
what conditions are assoc with infantile spams
tuberous sclerosis, encephalitis, birth asphyxia
age abscence seizures kids
4-8 years
EEG absence seizure
3
mx absence seizure
ethosuximide (or valproate)
onset + features lennox gastuat
age 1-5 // atypical absence, falls, jerks // handicap
mx lennox gastaut
keto diet
onset + features benign rolandic epilepsy
age 4-12 // seizure at night // partial (eg paraesthesia of the face –> secondary eg tonic clonic // v good prognosis
EEG benign rolandic epilesy
centrotemporal spike
onset + symptoms juvenile myoclonic epilepsy
teenage girls // general seizure in the morning // day time absence // sudden myoclonic jerks
mx juvenile myoclonic epilepsy
valproate
what is a reflex anoxic seizure
syncopal episode in response to pain or emotion –> vagal syncope
age and features reflex anoxic seizure
age 6months - 3 years // pale, fall to floor, rapid recovery // may have secondary seizure
features febrile convulsion
6 months - 5 years
simple febrile convulsion
<15 mins // general seizure // typically no recurrence within 24 hours // complete recovery within 1 hour
complex febrile convulsion
last 15 - 30 mins // focal seizure // repeat 24 hours
febrile status epilepticus
> 30 mins
mx febrile convulsions
phone ambulance if > 5 mins // benzo rescue meds eg rectal diazepam or buccal midazolam
RF further seizure febrile convulsion
<18 months // fever <39 // short duration fever // FH
RF epilepsy from febrile convulsion
FH, complex seizure, neurodevelopment delay
central causes hypotonia
downs, prader willi, hypothyoir, cerebral palsy