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Ischemic stroke: This is the most common stroke and happens when a blood clot or the narrowing of a blood vessel (artery) reduces blood flow to the brain.As a result, someone who has had a stroke may have trouble speaking, thinking, or walking. While there is growing evidence that, in some cases, new brain cells help to replace those lost, this takes time and occurs much more slowly in older adults. However, once brain cells die, they can’t be repaired. If brain cells are without oxygen for only a short time, they can sometimes repair themselves.

If blood can’t flow to a part of the brain, cells that do not receive enough oxygen suffer and eventually die. Blood brings oxygen and nutrients to brain cells. Call 911 for an ambulance so that medical personnel can begin lifesaving treatment on the way to the emergency room.Ī stroke happens when there’s a change in how blood flows through the brain. Responding quickly when you notice any of these symptoms is key.ĭo not drive yourself to the hospital and don’t ask someone else to drive you. Other danger signs that may occur include double vision, drowsiness, and nausea or vomiting.

Sudden severe headache with no known cause.

Sudden dizziness, loss of balance or coordination, or trouble walking.

Sudden problems seeing in one eye or both eyes.

Sudden confusion, trouble speaking, or understanding speech.

Sudden numbness or weakness in the face, arm, or leg - especially on one side of the body.

Call 911 right away if you or someone you know has any of these symptoms: If you delay getting help, the risk of permanent damage or death increases greatly.Įven if the symptoms don’t last long, they may still be a sign of stroke.

Knowing the symptoms of a stroke and acting quickly could mean the difference between life and disability or death.