Dr. Sanjay Gupta
Chief Medical Correspondent
Somewhere deep inside the brain of Sen. Edward Kennedy, the neurons in his left parietal lobe were becoming angry. This is an area of the brain at about eye level just behind the ear. Something had invaded their space, a foreign mass of some type, and they were about to react in a way that would frighten the senator and those around him.
It was this past Saturday when the brain had a sudden burst of electrical activity and caused a seizure, also known as a convulsion. Certain parts of his body would first become rigid, and then start to shake. He would lose consciousness.
In most people, including the senator, there was really no way he could’ve known it was about to happen. Warning signs in the past may have been a vague headache, possibly some numbness in his right arm, maybe even the loss of a word when he was speaking. Any of those things may have been quickly forgotten or dismissed. A seizure, on the other hand, is a stern warning that the brain has reached a break point.
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