USIDMS Extracranial Carotid
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What process do most color Doppler systems use to generate a color image? | Autocorrelation
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| What law or principle has to do with the conservation of energy? | Bernoulli's Principle
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| Is there an increase or decrease in thoracic pressure during inspiration? | Decrease
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| If a patient has a stroke in the left brain, could he or she experience amaurosis fugax on the right or left side? | Left-Ipsilateral
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| Should thrombolytic therapy be administered to a patient that has had a hemorrhagic stroke- yes or no? | No! It involves a clot-busting drug and could cause more bleeding.
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| Is a short acceleration time associated with a rounded waveform? | No...short acceleration time = pulsatile waveform
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| What 3 arteries branch off the aortic arch? | Rt brachiocephalic (innominate), Lt common carotid, and Lt subclavian
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| Do vertebral arteries usually have a high or low resistant waveform in a normal patient? | Low resistant
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| The "drumbeat" sign can be seen proximal to an occlusion and will have what type of velocity/resistance? High or low? | Low velocity/ High resistance
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| If you need to adjust your scale during an exam because of aliasing, what may it be called on the machine and should you increase it or decrease it? | Increase, PRF
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Created by:
jmframe
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