This OCS/SCS question is based on one of the most famous doctors of them all, Dr. Seuss.

After the Grinch stole Christmas, and his heart grew 3 sizes, he started to notice a tickle in his feet, that would worsen with walking up or down Mount Crumpet.  So he saw a physical therapist (PT) in Whoville that suspected peripheral artery disease.  After ankle-brachial index (ABI) testing, the PT suspected moderate peripheral artery disease.

Citation:

Walsworth MK, de Bie R, Figoni S, O’Connell J. Peripheral artery disease: what you need to know. Journal of Orthopaedic & Sports Physical Therapy. 2017;47(12).

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ANSWER:

Score                                          Severity

>1.4                                              Noncompressible arteries

1.00-1.40                                      Normal

0.91-0.99                                     Borderline

0.41-0.90                                    Mild to Moderate Peripheral Artery Disease

0.00-0.40                                  Severe Peripheral Artery Disease

Citation:

Walsworth MK, de Bie R, Figoni S, O’Connell J. Peripheral artery disease: what you need to know. Journal of Orthopaedic & Sports Physical Therapy. 2017;47(12).