my mom had a stroke we found out that she had bleeding in the brain with a blood clot. they told us they was giving her meds. to thin out the blood but she is not staying awake like they would like, she is also on a breathing machine to help her with her breathing every time they tell us they are taking it off they don't my questing is how do we find out why she is retaining alot of water and they are always telling us her vital signs are great can help me with the correct question to ask and what kind of test that they should run?