A stroke is a medical emergency that occurs when blood flow to part of the brain is interrupted or when a blood vessel in the brain ruptures. Every minute matters because brain cells begin to die within minutes of losing oxygen.
Many strokes happen without warning. However, some people experience transient ischemic attacks (TIAs)—often called “mini-strokes”—or other symptoms that may occur days or even weeks beforehand. Recognizing these warning signs and seeking immediate medical attention could help prevent a major stroke.
Here’s what medical experts say you should know.
What Is a TIA (Mini-Stroke)?
A transient ischemic attack occurs when blood flow to part of the brain is temporarily blocked. Unlike a major stroke, symptoms usually disappear within minutes or hours and don’t cause permanent damage.
However, a TIA is a serious medical emergency. It can be an early warning that a full stroke may occur soon.
Never ignore symptoms simply because they improve.
8 Possible Warning Signs
1. Sudden Numbness or Weakness
One of the most common warning signs is sudden weakness or numbness, especially on only one side of the body.
This may affect:
- Face
- Arm
- Hand
- Leg
A drooping smile or inability to raise one arm should always be treated as an emergency.
2. Difficulty Speaking or Understanding
If you suddenly have trouble speaking clearly, slur your words, or cannot understand what others are saying, seek immediate medical attention.
Speech problems are among the hallmark symptoms of stroke.
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