USIDMS Extracranial Carotid
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each of the black spaces below before clicking
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| What is Bernoulli's Principle? | The Conservation of Energy Law; An increase in velocity means a decrease in pressure
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| What is a low resistance waveform? | A continuous flow of blood to essential organs. The waveforms are somewhat rounded.
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| What is a high resistance waveform? | A pulsatile flow of blood that may demonstrate a brief period of reversed flow. The waveforms are spiky and deliver blood to nonessential organs.
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| What is a tardus parvus waveform? | "Late acceleration" these occur just distal to a stenosis. The waveform will have a more rounded appearance.
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| What aortic branch does the right CCA originate from? | The brachiocephalic or innominate artery
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| What does ipsilateral mean? | The same side as __________.
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| What does contralateral mean? | The opposite side of ___________.
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| What does RIND stand for? | Reversible Ischemic Neurological Deficient
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| How can someone identify the ICA from the ECA? | The ICA is usually larger and more lateral then the ECA. A temporal tap can be used to confirm the ECA. The ECA will also have viewable branches.
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| What is a subclavian steal? | The brain is feeding the extremity due to a subclavian occlusion. This results in retrograde vertebral flow and a 20mmHg difference in arm blood pressures.
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Created by:
emhart2
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