ICA/CCA RATIO CHART UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

ICA/CCA RATIO CHART UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS

Question:
1. a normal degree of stenosis will show a ICA PSV of _______________ (cm/sec)
Answer:
< 125

Question:
2. a normal degree of stenosis will show a diameter reduction of _____________ (%)
Answer:
none

Question:
3. a normal degree of stenosis will show an ICA/CCA PSV ratio of ____________
Answer:
< 2.0

Question:
4. a normal degree of stenosis will show an ICA EDV of ___________ (cm/sec)
Answer:
< 40

Question:
5. a stenosis of < 50% will show an ICA PSV of ___________ (cm/sec)
Answer:
< 125

Question:
6. a stenosis of < 50% will have a diameter reduction of ___________ %
Answer:
< 50

Question:
7. a stenosis of < 50% will show a ICA/CCA PSV ratio of ____________
Answer:
< 2.0

Question:
8. a stenosis of < 50% will show ICA EDV of __________ (cm/sec)
Answer:
< 40

Question:
9. a stenosis between 50-69% will show a ICA PSV of __________ cm/sec