A transient ischemic attack (TIA) is a type of mini-stroke that occurs when blood flow to part of the brain is disrupted. Although the symptoms of a TIA are similar to those of a stroke, they typically last less than an hour and do not cause any permanent damage. A TIA is caused when a clot blocks an artery, reducing or completely blocking the blood supply to part of the brain. As a result, the affected area receives less oxygen and, since oxygen is essential for the healthy functioning of brain cells, they become damaged and unable to perform their normal job. It is important to be aware of the symptoms of a TIA. These include: weakness of the face, arm, or leg, trouble speaking, vision problems, confusion, and dizziness. If you experience any of these symptoms, seek medical attention immediately, as they could be a sign of a TIA. Treatment of a TIA involves dissolving the blood clot, reducing its size, or removing it entirely. To do this, doctors may prescribe anticoagulant medications, which help prevent the formation of new clots, or thrombolytics, which break down clots quickly. In some cases, a procedure called carotid endarterectomy may also be used to remove plaque buildup in the carotid arteries, which is a major cause of TIA. It is important to note that, although TIAs don’t typically cause any permanent damage, they are still a warning sign for an impending stroke. People who experience a TIA have a higher risk of having a stroke within the following three months. Therefore, it is essential that TIA sufferers monitor their overall health closely, keep their blood pressure and cholesterol levels in check, and manage any underlying medical conditions, such as diabetes, in order to reduce their risk of having a stroke.
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