According to cardiologists, a stroke can occur a week before the onset of an attack. This is stated in a study published in the Journal of the American Academy of Neurology.
Scientists have named the earliest signs of ischemic stroke. It is caused by a blood clot that blocks the flow of blood and oxygen to the brain.
80 percent of strokes are ischemic, and they are often preceded by a so-called preventive stroke or mini-stroke. These are common terms used to describe a transient ischemic attack (TIA).
How to distinguish a TIA from a stroke?
The main difference lies in the severity of manifestations. The clinical picture of TIA develops suddenly, can be bright, but usually disappears even before examination by a doctor. A stroke can develop acutely or have “harbingers” – the same recurring TIA, sudden changes in blood pressure.
– A microstroke and a real stroke are caused by impaired blood supply to the brain. They are often caused by the formation of blood clots. In fact, the only difference between a stroke and a TIA is that a microstroke is temporary, and the blood supply has time to recover,the study says. occurred in 549 patients before the actual emergency occurred.
43 percent of participants with micro strokes experienced early signs leading to a full blown stroke at some point during the week.
- Numbness or weakness of the face, arm or leg, especially on one side of the body
- Problems with understanding
- Sudden difficulty speaking
- Impaired vision in one or both eyes
- Sudden dizziness, loss of balance, difficulty walking
- Mild facial asymmetry may be noticeable.
- Increasing severe headache and dizziness, nausea.
The main symptoms of ischemic stroke are:
- dizziness ,
- loss of orientation in space,
- vomiting,
- convulsions,
- impaired coordination, speech, vision, writing, reading, swallowing .
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Important! Information provided for reference purposes only. Ask a specialist about contraindications and side effects and under no circumstances self-medicate. At the first sign of illness, consult a doctor.
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