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ABCD2 Score

The ABCD2 score is a risk assessment tool used to predict short-term stroke risk after a transient ischemic attack (TIA). It scores five independent risk factors - age, blood pressure, clinical features of the TIA, duration of symptoms, and diabetes - with higher scores indicating greater risk. Scores range from 0-7 and can help predict the risk of stroke within 2 days and 90 days after a TIA, though clinical judgement should also be used.

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263 views1 page

ABCD2 Score

The ABCD2 score is a risk assessment tool used to predict short-term stroke risk after a transient ischemic attack (TIA). It scores five independent risk factors - age, blood pressure, clinical features of the TIA, duration of symptoms, and diabetes - with higher scores indicating greater risk. Scores range from 0-7 and can help predict the risk of stroke within 2 days and 90 days after a TIA, though clinical judgement should also be used.

Uploaded by

Mayo Enterprises
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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ABCD2 Score

The ABCD2 Score is a risk assessment tool designed to improve the prediction of short-term stroke risk after a
transient ischemic attack (TIA). The score is optimized to predict the risk of stroke within 2 days after a TIA, but
also predicts stroke risk within 90 days. The ABCD2 score is calculated by summing up the points for five
independent risk factors. Patients without the below risk factors for each category are scored a 0. Higher ABCD2
scores are associated with greater risk.

Risk Factor Points Score


Age
>60 years 1
Blood Pressure
Initial Systolic BP >140 mm Hg OR Diastolic BP >90 mm Hg 1

Clinical features of TIA (choose one)*


Unilateral weakness with or without speech impairment OR 2
Speech impairment without unilateral weakness 1
Duration
TIA duration >60 minutes 2
TIA duration 10-59 minutes 1

Diabetes 1

Total ABCD2 Score 0-7

*If a patient presents with clinical features not listed on the above table;
consult with a neurologist.

Using the ABCD2 Score


The ABCD2 score should not be used as a substitute for clinical judgement.

Please see the ND Transient Ischemic Attack (TIA) Guideline for directions on how to incorporate the ABCD2
score into decision making.

References

Johnston, S. C., Sidney, S. et al. (2007, January 27). Validation and refinement of scores to predict very early stroke risk after
transient ischaemic attack. The Lancet, 369(9558), 283–293. doi: https://doi.org/10.1016/S0140-6736(07)60150-0

Jarhult, S. J., Goldstein, J. N. et al (2018, February 8). Implementation of a Rapid, Protocol-based TIA Management Pathway.
Western Journal of American Medicine, 12(02), 216–223. doi: 10.5811/westjem.2017.9.35341

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