A stroke occurs when a blood clot blocks a blood vessel or artery, or when a blood vessel breaks and interrupts blood flow to an and bleeding occurs into an area of the brain. Every stroke is different.
ETA Chlorophyll works on the Liver and probably works a little. No it really doesn't, you are not a plant. Tea will oxygenate the blood. No it won't Also don't do as someone else said and drink liquid oxygen, that's really not a good idea.
In addition, X-rays and echocardiograms can be employed to rule out lung and heart diseases as the cause of the oxygen deficiency in the blood. If the cause cannot be determined by any of these methods, an endoscopy or biopsy of the lung may be performed. 1  1. 2  2.  Next.