When you arrive at the emergency room, be sure to tell them if you have a shunt, that these are the symptoms that you have when your shunt is not working, that you are getting worse. If an emergency room is nearby where you have had a CT of the brain in the past, try to go to that emergency room. That way the medical professionals can compare any old CT scans with a new one which you may have as part of your evaluation. It can be difficult to know what is "normal" for you. Some people normally have large ventricles, some have small ventricles. A baseline for comparison is very helpful. Some patients keep an old CT scan of the brain in their car in case these situations arise. If you have worsening hydrocephalus, you may need an operation to have a shunt placed or your old shunt repaired. If you are rapidly becoming worse, go to the closest emergency room whether or not they have a copy of your CT scan.

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