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Transient ischemic attack (TIA)
Transient ischemic attack (TIA) is a temporary interruption of the blood flow to an area of the brain. TIAs are a warning sign that a stroke may soon follow.
A clot in an artery, a drop in blood pressure, or a change in heart rhythm or rate may all reduce blood flow to the brain and result in a TIA.
Symptoms of a TIA are similar to those of a stroke. They may include:
- Vision problems.
- Difficulty speaking, or unusual behavior and thought processes.
- Difficulty understanding words.
- Loss of consciousness.
- Seizures.
- Dizziness (vertigo) or trouble walking.
- Weakness or numbness on one side of the body.
Unlike a stroke, a TIA does not cause lasting symptoms. Symptoms usually go away after 10 to 20 minutes.
A TIA is considered a warning sign of an impending stroke.
Credits
| Author | Jeannette Curtis |
| Author | Caroline Rea, RN, BS, MS |
| Editor | Kathleen M. Ariss, MS |
| Editor | Susan Van Houten, RN, BSN, MBA |
| Associate Editor | Tracy Landauer |
| Associate Editor | Pat Truman |
| Primary Medical Reviewer | Patrice Burgess, MD - Family Medicine |
| Primary Medical Reviewer | Adam Husney, MD - Family Medicine |
| Primary Medical Reviewer | Kathleen Romito, MD - Family Medicine |
| Last Updated | May 25, 2007 |
| Last updated: | May 25, 2007 |
|---|---|
| Author: | Caroline Rea, RN, BS, MS |
| Reviewed By: | Kathleen Romito, MD - Family Medicine |
| Editors: | Susan Van Houten, RN, BSN, MBA, Pat Truman |
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