A stroke is a serious medical emergency that occurs when blood flow to part of the brain is interrupted. Every year, millions of people worldwide experience strokes, and early recognition can make a life-saving difference.
While many strokes occur suddenly, some people may experience warning signs or transient symptoms in the days or weeks beforehand. These warning signs should never be ignored.
What Is a Stroke?
A stroke occurs when the brain does not receive enough oxygen-rich blood.
There are two main types:
- Ischemic stroke (caused by a blocked blood vessel)
- Hemorrhagic stroke (caused by bleeding in the brain)
Both require immediate medical attention.
8 Possible Warning Signs
1. Sudden Weakness or Numbness
Weakness or numbness affecting one side of the body is one of the most common warning signs.
It may affect:
- The face
- An arm
- A leg
Even if symptoms disappear, seek medical attention immediately.
2. Difficulty Speaking
You may suddenly:
- Slur your words
- Have trouble finding words
- Be unable to understand speech
This can be a sign of reduced blood flow to the brain.
3. Sudden Vision Changes
Some people experience:
- Blurred vision
- Double vision
- Loss of vision in one eye
Any sudden change in eyesight should be evaluated promptly.
4. Severe Headache
A sudden, intense headache unlike any previous headache may indicate a serious problem.
Seek emergency care if accompanied by other neurological symptoms.
5. Dizziness or Loss of Balance
Unexplained dizziness, difficulty walking, or loss of coordination can be warning signs of stroke.
6. Facial Drooping
One side of the face may droop or feel numb.
A simple test is to smile and see whether both sides of the face move equally.
7. Sudden Confusion
A person may become:
- Disoriented
- Confused
- Unable to follow conversations
This symptom requires immediate medical attention.
8. Temporary Stroke Symptoms (TIA)
A transient ischemic attack (TIA), often called a “mini-stroke,” can occur days or weeks before a major stroke.
Symptoms may disappear quickly, but a TIA is a serious warning sign that should never be ignored.
Remember FAST
Health professionals often use the FAST method:
F – Face
Ask the person to smile.
A – Arms
Ask them to raise both arms.
S – Speech
Listen for slurred or strange speech.
T – Time
Call emergency services immediately.