Synonym/Acronym:
Doppler, arterial ultrasound, duplex scan.

Common Use:
To visualize and assess blood flow through the arteries of the upper and lower extremities toward diagnosing disorders such as occlusion and aneurysm and evaluate for the presence of plaque and stenosis. This procedure can also be used to assess the effectiveness of therapeutic interventions such as arterial graphs and blood flow to transplanted organs.

Area Of Application:
Arteries of the lower and upper extremities.

Contrast:
Done without contrast.