Stroke and TIA Flashcards
Lobar strokes are usually due to what?
Amyloid angiopathy
AV malformations
Tumours
Aneurysms
Venous-sinus thrombosis
What are some conditions that mimic a stroke?
Seizure
Sepsis
Toxic/metabolite
Space occupying lesion
Syncope
Deep brain strokes are usually due to what?
HTN
Rupture of deep penetrating arteries
What is a semantic error of speech?
Mistake with word finding eg bus instead of train
What is a dysphasia?
Disorder of language
What are the new anticoagulants being used instead of warfarin?
Dabigatran
Apixaban
Rivaroxaban
Edoxaban
What is the risk of haemorrhage while on anticoagulants?
1-1.5% per annum
How do you differentiate a TIA from a seizure?
Seizure will have positive signs as well eg jerks or tingling
According to the CHADS2 scoring system, when are oral anticoagulants indicated?
If hypertensive and >75 years of age or,
Diabetes
Previous TIA
Heart failure
2 or more = Warfarin
How do you differentiate a TIA from a migraine?
All the symptoms will come on immediately with a TIA while they will progress more slowly with a migraine
What is a lacunar infarct?
Infarct result from occlusion of one of the deep penetrating arteries
What is the major difference between a stroke and TIA?
Permanent brain injury occurs in a stroke
When do you perform a carotid endarterectomy?
Generally if the stentosis is >50% or
If it produces symptoms
What percentage of strokes are intracerebral haemorrhages?
15% in Aus
What is a phemonic error of speech?
Error of the sound of a word eg last instead of past
