Term
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Definition
Leading cause of adult disability in US |
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Term
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Definition
3rd leading cause of death in the US |
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Term
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Definition
Costs for stroke are more than What? |
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Term
- ischemic stroke
- intracranial hemorhage
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Definition
What are the two causes of stroke? |
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Term
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Definition
Cause of stroke by an interruption of blood flow to the brain |
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Term
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Definition
Cause of stroke from a ruptured intracranial blood vessel |
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Term
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Definition
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Term
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Definition
Aproximately what % of strokes are ischemic? |
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Term
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Definition
What percent of strokes are hemorhagic? |
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Term
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Definition
What is responsible for >50% of all strokes? |
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Term
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Definition
Age, sex, and age are what kind of risk factors? |
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Term
- hypertension
- atrial fibrillation and other cardiac dxs
- diabetes
- hyperlipidemia
- smoking
- sedentary lifestyle
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Definition
What are modifiable risk factors? |
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Term
Causes vasospasms;
constriction of the artery |
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Definition
What does smoking do to the arteries? |
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Term
Disease on the contralateral
carotid system |
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Definition
When ther are symptoms of weakness/numbness of leg or arm on one side of the body, it implicates what? |
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Term
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Definition
Ocular symptoms suggest disease in the carotid system where? |
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Term
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sudden numbness or weakness of face, arm or leg, especially on one side of body
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sudden confusion, trouble speaking, or understanding
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sudden trouble seeing
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sudden trouble walking, dizziness, or loss of balance
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sudden headache
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Definition
what are some classic warning signs of stroke? |
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Term
High risk for stroke or cervical bruit |
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Definition
Asymptomatic pts are usually referred for carotid scan why? |
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Term
Stroke or cerebrovascular accident
(CVA) |
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Definition
permanent ischemic neurologi deficit; death to some part; not reversible |
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Term
reversible ischemic neuologic deficit
(RND) |
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Definition
neurologic deficit that resolves in greater than 24 hrs |
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Term
Transient ischemic attack
(TIA)
"mini strokes" |
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Definition
ischemic neurologic deficit that lasts less than 24 hrs |
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Term
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Definition
transient partial or complete loss of vision in one eye, often described as a shade or curtain being lowered over the eye |
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Term
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Definition
unilateral partial or complete paralysis |
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Term
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Definition
difficulty with speeh because of impairment of the tongue or muscles esstential to speech |
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Term
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Definition
inibility to communicate by speech or writing |
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Term
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Definition
inibility or difficulty in swallowing |
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Term
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Definition
gait disturbances
(uncordinated) |
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Term
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Definition
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Term
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Definition
sensation of having objects move about the person or sensation of moving around in spaces |
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Term
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Definition
The ascending aorta originates from where? |
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Term
- brachioephalic trunk
- left common carotid artery
- left subclavian artery
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Definition
What three main arteries arise from the superior convexity of the aortic arch? |
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Term
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Definition
What is the first branh off the superior covexity of the aorti arch? |
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Term
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Definition
what is the second branch off the superior convexity of the aortic arch? |
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Term
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Definition
What is the third branch of the superior convexity of the aortic arch? |
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Term
innominate/ brachiocephali artery |
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Definition
divides into the right common carotid and the right subclavian, which gives rise to the right vertebral |
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Term
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Definition
originates slightly to the left of the innominate artery, followed by the left subclavian artery, whih likewise gives rise to the left vertebral artery |
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Term
left b/c it originates at the arch |
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Definition
which carotid is usually longer? |
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Term
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Definition
in the neck, the carotid, jugular, and vagus nerve are enclosed in connective tissue called what? |
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Term
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Definition
What lies between and dorsal to the artery and vein? |
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Term
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Definition
What does the vagus nerve do? |
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Term
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Definition
Occasionally the common carotid will be the origin of what branch? |
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Term
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Definition
What is the most commonly visualized branch on the ECA? |
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Term
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Definition
How many branches does the ECA have? |
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Term
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Definition
Lies in the carotid sheath; runs deep to the sternocleidomastoid muscle |
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Term
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Definition
large branches of subclavian arteries? |
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Term
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Definition
In majority of pts which vertebral is the dominant one? |
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Term
- extravertebral
- intervertebral
- horizontal
- intracranial
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Definition
Vertebral is divided into what 4 segments? |
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Term
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Definition
which segment of the verbebral is evaluated on carotid scan? |
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Term
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Definition
A difference greater than what between arms suggests a proximal stenosis/occlusion of the subclavian or innominate artery on the side of the lower pressure |
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Term
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Definition
tissue vibration produced by turbulence |
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Term
7-10 MHZ liner array
High frequency |
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Definition
What kind of transducer is used for carotid? |
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Term
most of anterior circulation to brain |
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Definition
What does the ICA supply? |
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Term
supply posterior cerebral circulation to the brain |
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Definition
What does the vertebrals supply? |
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Term
- brachiocephalic
- Lt CCA
- Lt Subclavian
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Definition
What 3 vessels come from the aorti arch? |
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Term
- Rt CCA
- Rt subclavian
- Rt sternoclavicular junction
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Definition
Brachiocephalic divides into what? |
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Term
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Definition
the posterior cirulation the ICA meets with |
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Term
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Definition
What takes over if ICA or Vertebrals fail? |
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Term
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Definition
What supplies the medulla oblongata and inferior circulation of brain? |
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Term
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Definition
What layer does the plaque form on ? |
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