RVT

Question 1

MCA- window, depth, direction

Answer 1

Transtemporal, 30-60mm, antegrade

Question 2

Terminal ICA- window, depth, direction

Answer 2

transtemporal, 55-65mm, bidirectional

Question 3

ACA- window, depth, direction

Answer 3

transtemporal, 60-80mm, retrograde

Question 4

PCA- window, depth, direction

Answer 4

transtemporal, 60-70mm, antegrade

Question 5

ICA- window, depth, direction

Answer 5

transorbital, 60-80mm, ante/retro/both

Question 6

Ophthalmic - window, depth, direction

Answer 6

transorbital, 40-60mm, antegrade

Question 7

VA- - window, depth, direction

Answer 7

transforaminal, 60-90mm, retrograde

Question 8

BA- - window, depth, direction

Answer 8

transforaminal, 80-120mm, retrograde

Question 9

ABI >1.0

Answer 9

normal

Question 10

ABI > 0.9-1.0

Answer 10

may be w/in normal limits

Question 11

ABI- 0.8-0.9

Answer 11

mild arterial disease

Question 12

ABI- 0.5-0.8

Answer 12

claudication (moderate dz)

Question 13

ABI <0.5

Answer 13

rest pain (severe dz)

Question 14

ABI >1.3-1.5

Answer 14

considered non compressible/ unreliable

Question 15

segmental drops >30mmHg (20mmHg)

Answer 15

suggests significant obstruction

Question 16

Horizontal difference >20-30 mmHg

Answer 16

suggests obstructive dz at or above the level in the leg w/ the lower pressure