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ABI Waveforms

brachial artery

Upper extremity

Upper

Waveforms

waveforms

high restistance

biphasic

Low resitance

monophasic

  • Anterior Tibial
  • Posterior Tibial
  • Dorsalis Pedis

lower extremity

anterior tibial

High resitance triphasic

75% stenosisit text

low restiance

monophasic

Posterior Tibial

high resistant

triphasic

75% stenosis

low resistant

monophasic

90-99%

stenosis

monophasic poststenotic with a less steep systolic rise, no diastolic retrograde flow.

dorsalis

pedis

High resitant

triphasic

high resitance biphasic

high restistance monophasic

low resitance monophasic

???

???

Describe this waveform

A. Biphasic with a steep systolic peak

B. Biphasic with a low diastolic peak

C. Monophasic with no retrograde flow

D. Monophasic with a clean spectral window

C. Monophasic with no retrograde flow

If you are examining the dorsalis pedis what type of waveform should you expect?

A. Monophasic

B. Triphasic

C. Biphasic

D. B & C

D. B & C

The Dorsalis Pedis can be both triphasic or biphasic

What is the psv and edv?

A. 12/30 B. 30/12

C. 30/0 D. 15/30

B. 30/12

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