Seizures and Syncopes - Cohen Flashcards
syncope
LOC from lack of blood flow
faint
syncope - bradycardia and hypotension
seizure
sudden electrical discharge of brain
most common cause of LOC
syncope
often lack of blood flow to brain cells
vasovagal syncope
faint
-sympathetic withdrawal - vasodilation
-increased PS activity - bradycardia
with crowding, ETOH, fatigue, severe pain, hunger, emotion or stress, needles, dental work
lasts less than 1 minute
often feel cold and sweaty
cardiovascular syncope
insufficient CO
with arrhythmia or structural abnormality of heart
cardiac causes of syncope
aortic stenosis - elderly
idiopathic subaortic hypertrophic cardiomyopathy - high school and college athletes
mitral valve prolapse - young women
cough syncope
repeated coughing - increased thoracic P - no blood to heart (decreased VR)
brief LOC
micturition syncope
men who stand to urinate at night - requires vagus nerve to pee
-patient passes out
epilepsy
2 or more spontaneous unprovoked seizures
bromide salts
prevent seizures
seizure disorder
aka epilepsy
preferred term is seizure disorder
provoked seizure
not epilepsy
2 MC causes
- hypoglycemia
- alcohol withdrawal - 2-3 days no drinks
check lytes
if have seizure
every patient with first seizure
full hx, PE, and neuro exam, MRI of brain, and full blood test
not every child needs MRI