Transient ischemic attack laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S[2]

Laboratory Findings

There is no specific diagnostic test for TIA and clinical assessment remains the gold standard for making diagnosis of ischemic stroke. However, following tests may be performed in patients suspected to have TIA to identify risk factors associated with future stroke or subsequent TIA attack:

• Blood clotting tests such as PT, APTT and INR
• Blood chemistry
• Complete blood count (CBC)
• HbA1c
• Cardiac markers
• RFTS
• C-reaction protein
• ESR (Sedimentation rate)
• Serum lipids
• Tests for syphilis, Lyme disease, and other infections