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[|Human|] I had vestibular battery test that came back abnormal. Interpretation: This is an abormal vestibular test battery dueto upbeat nystagmus throughout, reaching 7 d/s. This may suggest central localization of pathology. There is no evidence of peripheral vestibular abnormality. Clinical correlation is advised. I met with a neurologist and the Associate Diagnosis is Nystagmus. Ordering Comments: Abnormal ENG. Exam unremarkable except for mild dysdiadochokinesis bilaterally. Evaluate for brainstem/cerebellar lesion. I am having an MRI WWO contrast on Friday. She doesn t seem concerned at all, almost like I manipulated the test results. Is this possible? I used to be a heavy drinker for years but stopped about two months ago. I have been smoking pot and told her this. I know alcohol can effect the test, but what about cannibis? I didn t smoke right before either appointment. I ve been pretty sick for almost a year now and haven t been able to work. (pneumonia in October, C-Diff in the spring, continued nausea and now super constipated, loss of appetite and unintentional weight loss (dropped 4 sizes yet I look 9 months pregnant. Pelvic ultrasound and TVU was normal). I am also being treated for depression with Effexor XR, have RLS & PLMS (RLS for over 30 years), no longer have a thryoid (had the radio iodine about 13 years ago) and had a parathyroidectomy this past March. My husband thinks my physical is caused by my depression, which I know is possible. I also know it could be thryoid related (my TSH on 8.09.12 was 0.13) as well as brain lesions and even MS. My GI dr. feels it is neurological. My main question is could my two test results have in any way have been unintentionally manipulated by me to get the abnormal results? And is MS a real possibility? I can deal with anything...just not knowing and started to feel my husband is correct and that it is in my head. Thank you
[|AI|]  Hello, The test shows nystagmus, an involuntary movement. It may be due to several causes, most commonly brain or ear related ones. Often may be born and benign. The test you've had says that it is not typical for ear disorder, the most likely origin would be the brain. Its unlikely you can manipulate it. Regarding the cause any type of lesion in the brain stem may cause it (MS but also stroke, inflammation, infection, tumors etc.), the MRI should shed some light on that regard as it's the best test to visualize brain damage. Hope I have answered your query. Let me know if I can assist you further.