Epilepsy Flashcards
what is epilepsy?
common condition that affects the brain and causes frequent seizures
what are seizures?
bursts of electrical activity in the brain
temporarily affects how the brain works
can cause a wide range of symptoms
when does epilepsy start?
any age
usually starts either in childhood or in people over 60
lifelong but can get slowly better over time
general symptoms of epilepsy?
uncontrollable jerking and shaking - fit
losing awareness and staring blankly into space
becoming stiff
strange sensations
collapsing
when to get medical help?
see GP if seizure experienced for the first time - may not be epilepsy there are several causes
when to call 999?
having a seizure for first time
has a seizure that lasts more than 5 mins
has lots of seizures in a row
has breathing problems or has serious injury
what are the general treatments for epilepsy?
anti-epileptic drugs
surgery
small electrical device implanted into the body to control the seizures
keto diet
what do treatments for epilepsy do?
can reduce the number of seizures or stop them completely
some need treatment for life
treatment can be stopped if seizures disappear over time
general living advice for people with epilepsy
most children can go to mainstream school driving certain jobs swimming contr
what needs to be considered in people with epilepsy?
swimming using contraception planning pregnancy bathing/showering driving
what are the causes of seizures?
stroke brain tumour severe head injury drug abuse/alcohol misuse brain infection lack of oxygen during birth
what happens to the brain in epilepsy?
electrical signals in the brain become scrambled and there are sudden bursts of electrical activity which causes seizures
family history of epilepsy
some genetic link
1/3 people with epilepsy have a family member with it as well
what are the different types of seizures?
simple partial/focal seizures/auras complex partial/focal seizures tonic-clonic seizures absence seizures myoclonic seizures clonic seizures tonic seizures atonic seizures status epilepticus
what are the triggers of seizures?
can be random or can have a trigger: stress lack of sleep waking up drinking alcohol medications illegal drugs menstrual cycle/periods flashing lights
simple partial/focal seizures or auras
general strangle feeling rising feeling in tummy deja vu unusual smells/tastes tingling in arms/legs intense feeling of fear or joy stiffness or twitching in the body awake and aware while these happen can be known as warnings/auras because they can be a sign that another seizure type is going to happen
complex partial/focal seizures
lose sense of awareness random body movements, such as: lip smacking rubbing hands random noises moving arms around picking at clothes fibbling with objects chewing swallowing non-responsive no memory of the events
tonic-clonic seizure
grand mal
has 2 stages - tonic and then clonic stage
tonic stage of tonic-clonic seizure
loss of consciousness
body goes stiff
fall to the floor
clonic stage of tonic-clonic seizure
limbs jerk about
lose bladder control or bowel control
may bite tongue or inside of cheek
difficulty breathing
post-drome of tonic clonic seizure
normally stops after a few minutes some last longer headache or difficulty remembering what happened tiredness confusion
absence seizures
petit mal
lose awareness of surroundings for short time
blank staring into space
look like daydreaming
flutter eyes
make slight jerking movements of body or limbs
who do absence seizures affect?
children mainly
what happens after an absence seizure?
last up to 15 seconds
unable to remember them
can happen several times a day
myoclonic seizures
where some or all of the body suddenly twitches or jerks
like an electric shock
often happens after waking
only last a fraction of a second
several can occur in a short space of time
normally remain awake
clonic seizures
causes the body to shake and jerk like a tonic-clonic seizure without the stiffness
last a few minutes and can cause loss of consciousness
tonic seizures
cause all muscles to suddenly become stiff
can cause loss of balance and falling over
atonic seizures
all muscles relax and people fall to ground
tend to be brief and people can usually get up again straight away
status epilepticus
any seizure that lasts a long time or a series of seizures where the person doesn’t regain consciousness in between
medical emergency
who will someone see after a seizure?
neurologist
how long will it take to see a neurologist?
within 2 weeks of referral
need to be cautious of another seizure while waiting - contact GP if there is another seizure
recording seizures
describe what happens when seizure happened what patient was doing when it happened feeling before, during and after write notes to take to appointment get a witness account - video or someone that saw it
what tests can be done?
electroencephalogram - EEG
brain scan
diagnosis of epilepsy
based on symptoms
checking brain activity
EEG used to check for unusual electrical activity in the brain that can happen in people with epilepsy
what happens in an EEG?
small sensors attached to scalp to pick up electrical signals and recorded by a machine
brain scans
can be used to identify causes of epilepsy - tumour, damage, stroke, scarring
MRI
anti-epileptic drugs
control seizures in 7/10 people
change chemicals in brain
don’t cure epilepsy