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TBI – Toe Brachial Index

TBI – Toe Brachial Index

Ressources
Parameters and Indicators

Description

The TBI (Toe-Brachial-Index) is a common and easy to measure indicator to objectively proof an arterial disease in the lower extremities. As recommended by most guidelines, it is applied complementary to an ABI test, especially if the results are very high (ABI > 1.4, indicating a media sclerosis) or unreliable.

TBI tests can be especially useful when blood vessels are stiff or incompressible, as digit or toe arteries do not normally calcify and therefore do not have increased vascular stiffness.

Measurement Principle

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