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Stroke during bypass

My husband had 9 bypass in Jan. 99.  Following surgery he had dizziness.  He has repeatedly gone back to the heart doctors, who didn't know why he would be dizzy.  He went to one neurologist, who said it was ear infection.  Finally, he was told to get a second opinion with neurologist.  They did a MRI on his brain which showed he had a mild stroke, which effects the part of his brain that controls balance.  He has not had his follow-up appt. with the 2nd neurologist, but he said it probably occured during surgery.  Why wouldn't the heart specialist suspect a stroke?  What kind of therapy, if any may help him?  Or medications?  He also has experienced chest pain, since July.  What kind of test would help in finding out where the pain is coming from?  He had one stress test that showed nothing.  The doctor (who left the clinic last week), had him make an appt. for a different type of stress test that he would do, but when he went to the appt. was told it was a 2 day test, and the doctor never showed up.  I guess the question is what type of test show he be asking for?  We are very stress over why he doesn't get any answers to his problems.  After all he thinks he is going to people that have experience in dealing with the heart.
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238668 tn?1232735930
Mini strokes can occur during bypass surgery but it could have occured at another time also.  There is really no way of knowing exactly when it occured.  There are some "anti-dizzy" medications (e.g. Antivert) that his neurologist can recommend that may help but they have significant side-effects such as drowsiness.  

Probably the test your husband was scheduled for was a thallium scan with delayed imaging for viability.  A alternative, but more expensive and not available everywhere, is a PET scan.  Hope this information helps.
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