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Calculator: ABCD2 score to predict stroke risk after TIA in adults


Calculator: ABCD2 score to predict stroke risk after TIA in adults

 
Age

60 years old or older (1 point)
Blood pressure

Systolic >140 mmHg and/or diastolic ≥90 mmHg (1 point)
Clinical features

Unilateral weakness (2 points)

Speech impairment but no weakness (1 point)

None (0 points)
Duration

60 minutes or more (2 points)

10 to 59 minutes (1 point)

Less than 10 minutes (0 points)
Diabetes present

Yes (1 point)

No (0 points)

 
Important: Inputs must be complete to perform calculation.

 
Total criteria point count:
 

 

ABCD2 score interpretation

 
0 to 3 points: Low 2-day stroke risk (1%)
4 to 5 points: Moderate 2-day stroke risk (4%)
6 to 7 points: High 2-day stroke risk (8%)

 
Notes
  • ABCD2: age, blood pressure, clinical features, duration, diabetes; TIA: transient ischemic attack.

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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