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ABCD2 Score

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ABCD2 Score, Cerebrovascular Accident Risk Following Transient Ischemic Attack, Cerebrovascular Accident Risk Following Acute Neurovascular Syndrome

  • Indications
  1. Acute Neurovascular Syndrome (Transient Ischemic Attack)
    1. Evaluate risk in short-term Cerebrovascular Accident following Acute Neurovascular Syndrome
    2. Admission criteria in TIA
  • Criteria
  1. Age >=60 (1 point)
  2. Blood Pressure >=140/90 at presentation (1 point)
  3. Clinical features
    1. Unilateral Focal weakness (2 points)
    2. Speech Impairment without focal weakness (1 point)
  4. Diabetes Mellitus (1 point)
  5. Duration of symptoms
    1. Duration >=60 minutes (2 points)
    2. Duration 10-59 minutes (1 point)
    3. Duration <10 minutes (0 points)
  1. Points 0-3: Risk of CVA 1.0% within subsequent 2 days of TIA
  2. Points 4-5: Risk of CVA 4.1% within subsequent 2 days of TIA
  3. Points 6-7: Risk of CVA 8.1% within subsequent 2 days of TIA
  • Precautions
  1. ABCD2 interrater reliability is inconsistent
    1. Ishida (2015) J Stroke Cerebrovasc Dis 24(6):1174-8 +PMID:25816725 [PubMed]
  • References
  1. Johnston (2007) Lancet 369: 283-92 [PubMed]