Temporary stroke: the brain needs oxygen and blood to work even a brief interruption causes dysfunction. Depending what part of the brain, different things happen: Motor problems of one side, unequal pupils, particular TYPES of balance issues (dyscoordination one side more than spinning), difficulty speaking, some odd thought dysorders, vision in one side/one eye. It comes back if the brain doesn't die.
Answered 1/7/2018
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Depends: The effects depend on the distribution, severity, speed of decline and existing disorders. If the decrease is sudden, transient and global, it causes fainting. If it is prolonged and global, it could cause life-threatening consequences like respiratory and/or cardiac arrest. If the decrease if focal, transient and mild, it causes transient ischemic attack; severe decline would result in a stroke.
Answered 1/29/2018
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