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Stroke Blood Tests


There is no blood test that can diagnose a stroke on its own. If you are being evaluated for a stroke or transient ischemic attack (TIA), your doctor will order blood tests to provide general information about your health and clues to what may have caused your stroke or stroke-like symptoms. Some blood tests can also help determine your risk of having a stroke in the future.

The following is a list of blood tests that may be performed as part of your stroke diagnosis or risk evaluation. Click on the name of any test to skip directly to that section. All of these tests can be done on a simple blood sample, drawn in just a few seconds from a vein in your arm.

Next: Complete Blood Count and Coagulation Tests

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