Quiz 4 Flashcards
A carotid aneurysm can only occur in the ICA or at the bifurcation.
T or F ?
F
Ultrasound visualization of vessels inside the cranium requires what type of ultrasound examination?
transcranial Doppler (TCD)
A transient ischemic attack (TIA) lasts ______ than 24 hours.
less
Which is the optimal patient position for cerebrovascular scanning?
- right lateral and left lateral decubitus
- supine with the head turned slightly
- sitting upright
- spine with the neck hyperextended
- supine with the head turned slightly
The two types of strokes are _____ and _____.
ischemic
hemorrhagic
!!!
What is Amaurosis Fugax?
My Ans:
complete vision loss of one eye
Amaurosis fugax is a *temporary loss of vision in one or both eyes
If a patient experiences left-sided hemiparesis, you would suspect impairment of which brain hemisphere?
right
!!!
Stroke symptoms from the neck and above (with the exception of **dysphasia and aphasia**) originate from the ________ side of the brain.
ipsilateral
Homogeneous plaque is more dangerous/worrisome than heterogeneous plaque.
T or F ?
F
What is the proper scan progression for Carotid artery imaging according to the NVCC protocol?
CCA, BULB, ECA, ICA, VERT
The subclavian artery should be evaluated if the _________ artery is abnormal.
vertebral
Which ICA abnormality may present itself as a “string of beads” appearance with elevated velocities?
fibromuscular dysplasia
What type of stroke is caused by bleeding from a ruptured vessel?
- emboli stroke
- ruptured stroke
- ischemic stroke
- hemorrhagic stroke
- hemorrhagic stroke
This waveform best matches which artery?
ECA
Which of the following neurological events do not typically cause permanent damage, but warn that disease may be present that can cause permanent damage, death, or disability?
RIND
TIA
Which of the following causes permanent neurological damage?
CVA
What is dysphagia?
difficulty swallowing
If a patient experiences right arm paralysis, which Carotid artery should be suspected of having disease?
left
!!!
A normal vertebral artery spectral waveform commonly demonstrates which type of flow?
- A sharp upstroke & a good amount of diastolic flow
- A dampened upstroke & a lot of diastolic flow
- A sharp upstroke & no diastolic flow
- A dampened upstroke, a well defined dicrotic notch, & a small amount of diastolic flow
- A sharp upstroke & a good amount of diastolic flow
Which of the following is true about Carotid body tumors?
- may grow in size if untreated
- low vascular mass
- can not affect carotid hemodynamics
- high malignancy rate
- may grow in size if untreated
What is the leading cause of stroke?
untreated HTN
All of the following are characteristics of a Tardus Parvus waveform EXCEPT:
- reduced velocities
- diminished pulsatility
- prolonged acceleration time
- increased diastolic component
- increased diastolic component
A normal vertebral artery waveform demonstrates high or low resistance?
low
Possible approaches on the neck for carotid studies include all EXCEPT:
- posterolateral
- inferosuperior
- anteromedial
- lateral
- inferosuperior
List the 2 surgical procedures utilized to treat Carotid artery disease.
Endarterectomy and stent for 2 procedures for Carotids
