The various causes that could be responsible for altered or affected balance are: 1  Meniereâs disease (a disease of the inner ear). 2  Parkinsonâs disease.  Taking certain medications or drugs such as â anti-convulsant therapy.
Plan on being at the testing center for approximately 3 hours. not allowed in the uptake rooms. Do not eat, drink (except water) or chew gum for 6 hours prior to your scan. water, prior to your scan. jewelry. Diabetics: Do not take your insulin the day of your exam.
1 For ultrasound of the liver, gallbladder, spleen, and pancreas, you may be asked to eat a fat-free meal on the evening before the test and then to avoid eating for 8 to 12 hours before the test.  For ultrasound of the kidneys, you may not need any special preparation.