An Elderly Adult Patient Without Prior History of Cardiovascular Disease

An elderly adult patient without prior history of cardiovascular disease reports lower leg soreness and fatigue when shopping or walking in the neighborhood. The primary care provider notes decreased pedal pulses bilaterally. Which test will the provider order initially to evaluate for peripheral arterial disease based on these symptoms?

A) Digital subtraction angiography
B) Doppler ankle, arm index
C) Magnetic resonance angiography
D) Segmental limb pressure measurement