A stroke happens when the blood flow falters towards the brain. Then, an area of the brain begins to die because it stopped receiving the oxygen and the nutrients necessary for its functioning.
Nevertheless, to understand this better, you must know 2 principal types of stroke. One of them is the ischemic stroke, caused by a clot that blocks a blood vessel. Approximately 80 % of strokes are ischemic. The other one is hemorrhagic, caused by rupture and bleeding in a blood vessel. Approximately 20 % of strokes are hemorrhagic.
Brain hemorrhages can affect the whole body causing problems in the speech, vision as well as the coordination. Paralysis is also one of the common problems.
These are the principal symptoms or early signs of a stroke:
- Sudden confusion, difficulty to speak or understand
- Sudden drowsiness or weakness in the face, the arm or the leg (especially in the same side of the body)
- Sudden difficulty to see with one or with both eyes
- Sudden strong headache without any cause
- Sudden difficulty to walk, loss of balance or coordination
These are the principal risk factors that increase the possibility of having a stroke:
- Cardiac problems
- High blood pressure
- High cholesterol
A stroke must be attended immediately, because the more time passes for the blood flow to be interrupted heading towards the brain, the major the damage will be. The immediate attention can save a life and increase the possibilities of a successful recovery. The patient who suffers from stroke has 3 hours max until the treatment begins.