Ultrasound Allen Test | Medical Algorithm

Are you evaluating a patient who is to have sampling from the radial artery?

Yes

Select an appropriate answer for each finding

Evaluation of collateral circulation

Flow in palmar arch when the radial artery is compressed

Time for the palm and fingers to flush

seconds

Does blood flow in the palmar arch reverse when the radial artery is compressed?

Yes

Please fill out required fields.

Data complete?

Evaluation appropriate?

Has some form of evaluation of the collateral circulation been performed?

Is there evidence of good collateral circulation?

Can you proceed with sampling of the radial artery?

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Evaluation

Results

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Interpretation and Description

References

Specialty

Objective

ICD-10

Evaluation of Collateral Circulation Prior to Blood Sampling (Modified Allen Test - Ultrasonography)

Purpose: To evaluate collateral circulation in the hand before radial arterial blood sampling is performed.

Evaluation

Results

Please fill out required fields.

MedicalAlgorithms.com APIs

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Interpretation and Description

References

Specialty

Objective

ICD-10