Neurologic Emergencies 12 Flashcards
Explain artery to artery embolism
Plaque from aortic arch or carotid breaking off and occluding an atery
Mechanism of lacunar
In situ small vessel thrombosis
Esoteric causes of stroke in young
Vascular dissection Migraine Hypercoag Vasculitis Oral contraceptives Paradoxic cerebral embolism
Paradoxical embolism aka…
Crossed embolism
Explain a paradoxical embolism
When a venous clot from dvt or knee replacement that travels to heart and crosses to the arterial system at pfo.
Why do stroke pts have such a high risk of airway compromise
Dysfunction of pharyngeal muscles
Why do stroke pts aspirate
Lose cx of oropharyngeal secretions
Bp checks after tpa
Q15 for 2
Q 30 for 6
Q 60 for 24
Bp checks for stroke wo tpa
Q 4
Labs for acute stroke
Cbc Platelets Prothrombin time Inr Glucose Ct Ekg
Define mismatch
Perfusion minus diffusion
Perc if stroke w paroxysmal atria fibulation
9.2
How could hypotension worsen stroke out come
Extends infarct
Why restore mg w stroke
Block nmda receptors which proects from glutamste toxicity
Ball park bp goals post stroke
180/110
