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Doctors Lounge - Gastroenterology Answers
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| rswaney
- Tue Dec 27, 2005 8:04 pm |
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I'm scheduled for an RUQ Ultrasound to check for liver problems.
Why can't I eat or drink anything after midnight?
I especially don't understand why I can't drink water?
Thank you,
Russ
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| MaryAnn N, RN
- Sun Feb 26, 2006 2:55 pm |
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 Hi Russ,
The reason you cannot eat or drink anything is because when food/liquid enter your stomach sends a signal to start secretion of enzymes used to aid digestion. When this occurs bile gases are produced. Bile gases crowd the abdominal area/organs. This inhibits visualization of your organs during an ultrasound.
Hope this answers your question.
MaryAnn RN
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