The purpose of this test is to evaluate evaluate the blood pressure in the arteries and determine if there are any indications of an obstruction (clot, embolism, etc.) associated with peripheral arterty disease. If a blockage is found, they can also assess how severe the condition is in each case.
Noting any differences in blood pressure and flow measurements taken at various locations, it is possible to determine where blockages inhibit circulation.
Following are some frequently asked questions about this test.