Ace the Davies Vascular Tech Challenge 2026 – Pulse Up Your Career Path!

Question: 1 / 740

Which statement about arterial pressure testing is true regarding the Dorsalis Pedis pressure?

It should always be lower than posterior tibial pressure

It typically indicates arterial occlusion if low

It is the primary pressure for calculating the ankle/brachial index

The statement about Dorsalis Pedis pressure being the primary pressure for calculating the ankle/brachial index is accurate. The ankle/brachial index (ABI) is a key diagnostic tool used to assess peripheral artery disease. It compares the blood pressure in the arteries of the ankle with the blood pressure in the arm. The Dorsalis Pedis artery, being a major artery in the foot, is one of the crucial sites from which ankle pressures are measured.

By using the Dorsalis Pedis pressure for calculating the ABI, clinicians can evaluate the adequacy of blood flow to the lower extremities and identify potential vascular issues. If the Dorsalis Pedis pressure is significantly lower than the brachial pressure, it may suggest reduced blood flow due to occlusive disease, making this measurement vital in vascular assessments.

Understanding this relationship is essential for professionals in vascular technology as it informs diagnosis and subsequent treatment strategies for conditions related to peripheral arterial circulation.

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It is less reliable than femoral artery pressure

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