Neurological Emergencies Flashcards
What are the 3 things/levels the brain is most sensitive to changes in?
Oxygen, glucose, temperature
What causes Sinus Headaches
fluid accumulation in sinus cavities
what causes Tension Headaches
muscle contractions in head and neck
What are the types of strokes
Ischemic, Hemorrhagic, T.I.A. (transient ischemic attack/mini-stroke)
What 3 things mimic a stroke or its symptoms
Hypoglycemia, Postictal State, Subdural or Epidural bleeding
All signs/symptoms of a stroke
facial droop, weakness/numbness in extremities, decreased movement on one side of body, ataxia, loss of vision in one eye, difficulty swallowing, decreased level of responsiveness, speech disorders, aphasia, dysarthria, sudden and severe headache, confusion, dizziness, weakness, combativeness, restlessness, tongue deviation, coma
What causes a Stroke
blood flow to brain stops
How long does treatment of a stroke have for it to be most effective
3 hours
What is Atherosclerosis
build up of plaque on wall of blood vessel
Thrombosis
clot forms at site of blockage
Embolus
clot forms in remote area then travels to site of blockage
What is an Ischemic Stroke
blood flow to specific part of brain stops
What is a Hemorrhagic stroke
bleeding inside brain
What is an Aneurysm
swelling of wall of an artery
What causes an Aneurysm?
weakening or defect of the artery
