Which of the following is an example of a mechanism of graft failure due to technical error?
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While performing a TCD on a patient with suspected intracran…
While performing a TCD on a patient with suspected intracranial stenosis, the MCA mean flow velocity is 230 cm/s, but the ipsilateral ICA velocity is normal. Which conclusion is most appropriate?
According to the Bernoulli principle, what occurs within a h…
According to the Bernoulli principle, what occurs within a hemodynamically significant carotid stenosis?
According to CIMT diagnostic criteria, what is an abnormal C…
According to CIMT diagnostic criteria, what is an abnormal CIMT measurement?
Which are two major branches of the external carotid artery?
Which are two major branches of the external carotid artery?
A patient presents to the vascular lab with asymmetrical bra…
A patient presents to the vascular lab with asymmetrical brachial systolic pressures: right = 86 mmHg, left= 138 mmHg. As you perform the duplex exam the following findings are discovered: abnormal dampened Doppler waveform contour through the right proximal CCA. What should you expect the remainder of the carotid-vertebral artery exam to reveal?
A technologist identifies a vessel at 70 mm depth with flow…
A technologist identifies a vessel at 70 mm depth with flow directed away from the transducer. The mean velocity is significantly elevated compared to expected values. Which interpretation is most accurate?
Which patient is exhibiting vertebrobasilar circulation cere…
Which patient is exhibiting vertebrobasilar circulation cerebrovascular symptoms?
Most common cause of an ischemic event is ____________.
Most common cause of an ischemic event is ____________.
A patient is admitted for sudden onset of aphasia and right…
A patient is admitted for sudden onset of aphasia and right hemiplegia. What might the carotid duplex exam document?