Stroke
Time Is Brain: Why Minutes Matter
In stroke care, we have a saying: time is brain. It captures a hard biological truth. When blood flow to part of the brain is cut off, roughly two million nerve cells are lost every minute that passes. The faster we restore that blood flow, the more brain we save — and the better the chance of a meaningful recovery.
Two kinds of stroke
A stroke happens when the brain’s blood supply is disrupted. There are two main types. An ischemic stroke is caused by a clot blocking an artery — this is the most common kind. A hemorrhagic stroke is caused by bleeding, often from a ruptured vessel or aneurysm. The treatments differ, which is why rapid imaging in the emergency room is so important.
The single most important thing a person can do during a stroke is recognize it early and call 911. Everything we can offer downstream depends on that first decision.
Recognize the signs — B.E. F.A.S.T.
A simple checklist helps people recognize a stroke quickly:
- B — Balance: sudden loss of balance or coordination
- E — Eyes: sudden trouble seeing in one or both eyes
- F — Face: one side of the face drooping
- A — Arms: weakness or numbness in one arm
- S — Speech: slurred or strange speech
- T — Time: call 911 immediately
How we treat large-vessel stroke
For ischemic strokes caused by a clot in a large brain artery, one of the most important advances of the last decade is mechanical thrombectomy. Working through a catheter threaded from an artery in the leg up into the brain, we can physically grab and remove the clot, reopening the vessel and restoring blood flow. When done quickly, it can be the difference between lasting disability and walking out of the hospital.
Clot-dissolving medication (given intravenously) also plays a role in eligible patients. But every one of these treatments has a clock attached. The window is measured in hours from the moment symptoms begin — and the sooner within that window we act, the better.
The bottom line
Modern stroke care is genuinely remarkable, but it only works if patients reach us in time. If you ever suspect a stroke — in yourself or someone else — don’t hesitate, don’t wait, and don’t drive. Call 911. Those few minutes may be the most important of someone’s life.
This article is for general education and is not a substitute for medical advice. If you are having a medical emergency, call 911.