Walking Time/Distance to Claudication
Purpose: Detect the presence of neurogenic claudication or vascular claudication. Most often used as a measure of the severity of peripheral arterial disease/arterial insufficiency. Walking distance is usually less in patients with more severe peripheral arterial disease or neurogenic claudication.
Procedure: The patient walks on a treadmill at low speed (1-2.0 Mph) at a defined grade. until the onset of claudication (crampy, aching, burning pain). The distance at which the patient first notices the onset of claudication pain is recorded (initial claudication distance, or ICD), and the test is terminated when the patient reaches a maximal level of claudication pain (absolute claudication distance, or ACD).
Normal Result: The patient experiences no pain.
Abnormal Result: The patient terminates walking due to pain in the thigh or calf, which subsides with rest.
Procedure: The patient walks on a treadmill at low speed (1-2.0 Mph) at a defined grade. until the onset of claudication (crampy, aching, burning pain). The distance at which the patient first notices the onset of claudication pain is recorded (initial claudication distance, or ICD), and the test is terminated when the patient reaches a maximal level of claudication pain (absolute claudication distance, or ACD).
Normal Result: The patient experiences no pain.
Abnormal Result: The patient terminates walking due to pain in the thigh or calf, which subsides with rest.
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