Doppler Segmental Pressures (Rumwell CH. 5)

Question 1

Cuff width should be ____ limb diameter.

Answer 1

20 - 50% greater

Question 2

A cuff that is too wide can _____; A cuff that is too narrow can ____.

Answer 2

Falsely lower pressure; falsely elevate pressure

Question 3

Resting ABI's
> or = 1.0 is
.9 - 1.0 is
.8 - .9 is
.5 - .8 is
< .5 is
>1.35 is

Answer 3

Normal
Minimal (asymptomatic)
Mild arterial dz
Claudication
Ischemic rest pain
Non-compressible

Question 4

Brachial pressures should be within ____

Answer 4

15 - 20 mmHg of each other

Question 5

Advantage/Disadvantage of three cuff technique?

Answer 5

Advan: more accurate thigh measurement
Disadvan: cannot distinguish betwen different levels of dz

Question 6

Advantage/Disadvantage of four cuff technique?

Answer 6

Advan: more specific level of dz identified
Disadvan: higher pressure in thigh

Question 7

W/ four cuff technique. high thigh pressure should be ___.

Answer 7

20 - 30 mmHg above brachial pressure

Question 8

W. four cuff technique, if upper thigh is 20 - 30 mmHg less than brachial what could this indicate?

Answer 8

Occlusion of the external iliac, common iliac and SFA.

Question 9

With 4-cuff method, adjacent levels should be within ___

Answer 9

Max. 20 - 30 mmHg of each other

Question 10

Abnormal ankle pressure is ___

Abnormal toe pressure is ______.

Answer 10

< 50 mmHg;

< 30 mmHg

Question 11

Normal value for toe/brachial index:

Answer 11

.8