Technique

Question 1

freq of probe

Answer 1

8-10

Question 2

upper extremities

Answer 2

subclavian
axillary
brachial (at elbow-antecubital fossa)
radial
ulnar

Question 3

lower extremities

Answer 3

common fem
superficial fem
pop
post tibs (medial malleolus)
dorsalis pedis (top of foot)
peroneal (lat malleolus)

Question 4

what is observed. documented and combined with doppler segmental pressure

Answer 4

audible and wave form qualities

Question 5

potential sources of technical error

Answer 5

• incorrect probe position
• incorrect angle of incidence
• inadequate amount of gel
• excessive pressure on the probe tip
• insufficient period of rest before testing