Can I drink water before an abdominal ultrasound?

Can I drink water before an abdominal ultrasound?

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  1. Yes you can although most scripts will read as NPO, meaning nothing by mouth after midnight. The reason being is that the body begins to breakdown the food you eat. If done just before your exam, the duodenum, pancreas, gallbladder and other organs that assists with the breakdown of food may admit gas, which on ultrasound distorts the image due to the high attenuation of air therefore the beams will reflect back to the probe. Another issue could be the gastric juices inside the stomach which can have a high ph level. I’ve seen in some cases where drinking water may dilute the acidity of the gastric juices and less gas is being admitted. This will allow the technician to obtain optimal images.

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  2. You should have been given instructions. Sometimes yes. Sometimes no. Depending on the reason for the ultrasound. Contact your doctor or the imaging center for this information.

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  3. For abdominal ultrasound to happen, you must drink water at least 1–1.5 hours before the actual test. A pelvic ultrasound requires at least ONE liter of water The full bladder serves as a window to see your pelvic organs (i.e. uterus, ovaries or prostate). Without a full bladder it is difficult to see them.
    You should not eat for six hours before an upper abdominal scan. This allows your gallbladder to fill, reduces intestinal gas, and keeps your stomach empty so it does not obscure your other organs. Avoid tea, coffee or milk. Just take ordinary water.

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  4. There are a variety of reasons to have an ultrasound and the specific prep will vary depending on what needs to be imaged. You should rely on the instructions you receive from the doctor’s office.

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  5. Generally, you should not drink water before an abdominal ultrasound. In specific cases water may be helpful.If the kidneys are the primary reason for the abdominal ultrasound it is helpful to have them well hydrated especially if checking the vascularity. The reason you are asked to be NPO is that by drinking water you also swallow air and introduce it into your intestinal system. The same thing can happen when chewing gum or smoking. For optimal ultrasound no air should enter the system. That being said, sometimes after the tech does the scan you may be asked to drink some water to fill the stomach and give a better window to the pancreas much like the pelvic bladder is filled to see pelvic organs.

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