Vas week 4: LE segmental pressures & doppler waveforms, VPR, Exercise and stress testing LE knowledge check

Which angle produces the better arterial signal during CW Doppler testing?

60

The pressure will be falsely _________ if the cuff is too narrow for the width of the limb.

elevated

The ABI will _____________ in the presence of arterial obstruction when flow demand is increased.

decrease

When using treadmill testing, the patient will typically walk at

2mph

The AC mode of the arterial waveform recording instrument records slow volume changes.

false (shows fast volume changes????)

Abnormal volume pulse recording waveforms are displayed

Distal to obstruction

The difference between the 3-cuff method versus 4-cuff method for arterial pressure measurements includes using another cuff at the:

Thigh level

With treadmill testing, patients should not need to walk more than __________ to produce symptoms.

5 minutes

A pressure gradient between the calf and ankle cuffs indicates disease at which level?

infrapopliteal

An ABI > 1.3 indicates

calcified vessels