Strokes and seizures Flashcards
Is norman neurological activity synchronous or asynchronus?
asynchronus
what do the symptoms of a seizure depend on?
where it takes place within the brain (what area of the brain is affected)
broca’s and wernikes ? what are they responsible for?
production and understanding of speech respectively
what are the 2 categories of seizures
focal or generalised (part of the brain - pt will be aware of the seizure
or all of the brain - pt will be unaware of their surroundings)
Symptoms of tonic seizure
muscles become stiff and rigid
symptoms of atonic seizure
lack of tone to muscles can make you collapse to the floor
myoclonic
can make you jerk
tonic-clonic
classic seizures
what are the phases of a seizure
prodrome (can last for hours or days) - pt may feel light headed or irritable
- pt has a feeling seizure is on its way
what is aura ?
just before the seizure - headaches or changes in vision/sound
what is the ictal phase?
seizure phase -
motor changes and changes in awareness
some patients might not have aural phase at all
what is the post ictal phase
pt is sleepy, confused, headache
phase of cognital depression
are seizures always due to epilepsy?
NO! Not all seizures are due to epilepsy
what is the definition of epilepsy
2 or more unprovoked seizures
what is a provoked seizure?
hypoxia/hypoglycaemia, drugs/drug withdrawal can change neurone excitability, infection of the brain, structural change (trauma/tumour), vascular eg: stroke