Large Vessel Stroke
A patient presenting with left gaze deviation and right hemiplegia may have a stroke in which large vessel in the brain
Left Middle Cerebral Artery
The most common cause of a spontaneous hemorrhagic stroke
What is uncontrolled hypertension
The most common thrombolytic used to treat ischemic strokes within 3 to 4.5 of symptom onset
What is Intravenous Alteplase
The cerebral artery involved in the stroke that presents with dizziness, nausea & vomiting, nystagmus and most likely to result in locked-in syndrome
Basilar artery
The two arteries which run up the cervical spine and merge to become the basilar artery.
Vertebral
Ignoring or neglecting one side of the body
Agnosia
The color of acute blood in the brain when seen on Ct Scan
What is the color white
The most effective treatment for removal of clots in the large vessels of the brain.
What is Mechanical Thrombectomy
The cerebral arteries which predominantly supplies blood to the Broca and Wernicke area of the brain.
Middle cerebral artery
"Dizziness Plus" helps to identify posterior symptoms. Name at least 2 other symptoms that can help identify posterior infarctions.
Diplopia, Dysarthria, Ataxia, Nausea/Vomiting
What is the term for stroke signs that help identify posterior infarctions originating for the cortex of the brain.
Cortical Signs: Agnosia, Aphasia, Ataxia, Visual Changes
The most common reason for spontaneous subarachnoid hemorrhage
Ruptured aneurysm
What are the 3 ways to treat an ischemic stroke
Tissue Plasminogen Activator, Mechanical thrombectomy, & permissive hypertension
The type of stroke that describes the area of the brain that is most sensitive to periods of hypoperfusion/low blood pressure
Watershed
The part of the brain that all cranial nerves originate from.
Brainstem
Common cause of stroke in young people with whiplash trauma
What is a vertebral or carotid dissection
The recommended SBP parameter for hemorrhagic strokes
What is SBP 130-150 mmHG
The approximate amount of brain cells damaged per minute during a stroke
1.9 million
The primary sensory cortex or sensory strip (sensory input)is located on this lobe of brain
Parietal
What percentage of strokes originate from the posterior circulation
about 20-25%
The advanced imaging used to diagnose a large vessel occlusion
CT Angiogram/CT Perfusion
The oral treatment used to prevent vasospasms in SAH
Nimodipine
What scoring system is used post mechanical thrombectomy that grades the amount of perfusion restored to the previously blocked area
TICI Score (0, 1, 2a, 2b, 3)
The spider like thin, delicate middle layer surrounding the brain, where major cerebral blood vessel lie.
Arachnoid Layer
What is the clinical tool used to differentiate a central vs peripheral cause to dizziness
HINTS (head impulse, nystagmus, & test of skew)