A Patient Who Is Found to Have an Ankle-Brachial Index

question 21

Multiple Choice

A patient who is found to have an ankle-brachial index of 0.45 is consistent with which of the following interpretations?

• A)Considered a normal finding
• B)Considered to have peripheral arterial disease
• C)Anticipated to present with some form of claudication
• D)Considered to be critical limb ischemia with rest pain,atrophy,and pulselessness

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Definitions:

Erythrocytes

Red blood cells responsible for carrying oxygen and carbon dioxide throughout the body.

von Willebrand Factor

A blood glycoprotein involved in hemostasis, important for the formation of blood clots.

Thromboxanes

Eicosanoid compounds that have a role in the formation of blood clots and the reduction of blood flow to the site of the clot, playing a vital role in homeostasis.

Endothelin

A potent vasoconstrictor peptide produced by endothelial cells that plays a significant role in regulating blood flow and blood pressure.