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Symptoms, Causes, Treatments, and More

A ministroke is also known as a transient ischemic attack (TIA). It occurs when part of the brain experiences a temporary lack of blood flow. This causes stroke-like symptoms that resolve within 24 hours.

Unlike a stroke, a ministroke on its own doesn’t cause permanent disabilities. Since ministroke symptoms and stroke symptoms are nearly identical, you should seek immediate emergency attention if you experience any symptoms.

Knowing the signs of a ministroke can help you get the treatment you need as early as possible. Around 1 in 3 people who experience a ministroke later experience a stroke, so early treatment is essential.

A ministroke can be difficult to identify, but a few symptoms may indicate that you’ve had one. The symptoms may be fleeting.

The most common symptoms of a ministroke are:

Call your local emergency services or go to the emergency room (ER) if you’re having any of these symptoms.


People with a ministroke may temporarily find themselves unable to speak. After a ministroke, people may tell their doctor that they had difficulty recalling words during the event. Other speech problems may include trouble saying a word or trouble understanding words.

This condition is known as dysphasia. In fact, dysphasia is sometimes the only symptom of a ministroke.

Trouble speaking indicates that the blockage or blood clot that caused the ministroke occurred in the dominant brain hemisphere.

Temporary blindness in one eye

Sometimes a ministroke manifests as a particular visual disturbance known as amaurosis fugax. Amaurosis fugax is also known as transient monocular blindness (TMB).

In amaurosis fugax, a person’s vision in one eye becomes suddenly dimmed or obscured. The world turns gray or objects look blurry. This may last for seconds or minutes. Exposure to bright light can aggravate amaurosis fugax. You may not be able to read words on white pages.

Blood clots are the leading cause of ministrokes. Other common causes of this condition include:

  Symptoms, Causes, Treatment, and More

The symptoms of a ministroke can last as briefly as one minute. By definition, ministrokes last for fewer than 24 hours.

Often, the symptoms are gone by the time you get to a doctor. Your symptoms may not be present while a doctor evaluates you, so you have to describe the event after your symptoms have disappeared.

Duration aside, symptoms of a ministroke are the same as symptoms of an ischemic stroke. An ischemic stroke is the most common type of stroke.

Symptoms that come on suddenly and without warning could signify a stroke. “FAST” is an abbreviation to help you recognize some common stroke symptoms.

Call 911 or your local emergency services if you or someone around you has any of these symptoms.

High blood pressure is a major risk factor. It can damage the inner walls of the arteries, resulting in atherosclerosis. This plaque buildup can rupture and lead to blood clots in these arteries. These abnormalities can lead to a ministroke and stroke.

If you’ve received a high blood pressure diagnosis from your doctor, it’s important to keep track of your blood pressure on a routine basis. You should invest in a home blood pressure monitor to check your blood pressure.

Sometimes people have what’s called white coat syndrome. This means that your blood pressure can be higher than usual in your doctor’s office due to anxiety about having your blood pressure checked.

Keeping track of your blood pressure at home can give your doctor a more accurate assessment of your typical blood pressure. This information helps them adjust your blood pressure medications more effectively.

If you have an at-home machine, you should check your blood pressure immediately if you experience any of the following:

If you don’t have a way to check your blood pressure at home, you should call your doctor immediately or go to a local urgent care center or ER.

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Shop for a home blood pressure monitor.

Other risk factors

Other risk factors for ministroke and stroke include:

According to a 2014 study:

  • men are more likely than women to experience ministrokes
  • older people are also more at risk than younger people
  • ministrokes are reported most frequently on Mondays

A ministroke doesn’t lead to permanent brain damage, but you still need an urgent medical examination if you have symptoms of a ministroke.

That’s because the symptoms are identical to the symptoms of a stroke. It isn’t possible for you to tell whether they’re related to a ministroke or a stroke. The distinction requires a medical evaluation.

Unlike ministroke symptoms, stroke symptoms are permanent and do result in permanent damage to brain tissue. However, stroke symptoms may improve with time. Having a ministroke puts you at risk of a stroke, because ministrokes and strokes have the same causes.

The only way to tell the difference between a ministroke and a stroke is by having a doctor look at an image of your brain with either a CT scan or an MRI scan.

If you’ve had a stroke, it’s likely that it won’t show up on a CT scan of your brain for 24 to 48 hours. An MRI scan usually shows a stroke sooner.

In evaluating the cause of the ministroke or stroke, your doctor will likely order an ultrasound to see if there’s significant blockage or plaque in your carotid arteries. You’ll also need an echocardiogram to look for blood clots in your heart.

Your doctor may also take an electrocardiogram (ECG or EKG) and chest X-ray.

Several treatment options are available. Ministrokes don’t cause lasting brain tissue damage…

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