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  • PAD Screening
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Current Screening Method

Ankle Brachial Index (ABI)

ABI involves multiple blood pressure measurements taken at both arms and both legs by a skilled clinician. The test takes approximately 15-20 minutes to complete and may be uncomfortable for patients.

Ankle Brachial Index

Time Consuming: 15 to 20 minutes

Requires a skilled clinician to perform

Not suitable for primary care or home healthcare settings

Uncomfortable for patients

Not accurate for patients with calcified vessels

SageSpectra

SageSpectra is a low-cost, portable device that accurately measures tissue oxygen saturation (StO2) across any patient at risk of PAD in <3 minutes.

Tissue oxygen saturation, a key indicator of tissue health, has been shown to accurately assess the presence and severity of PAD.


  • Low-cost
  • Handheld
  • Accurate (even for patients with calcified vessels)
  • Performed by nurse or medical assistant
  • Screen <3 minutes



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