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How soon before a pelvic ultrasound should you start drinking water?
Wiki User
∙ 14y ago
If my memory serves me right at least an hour before, and they want you to have a full bladder which hurts because you have to sit there and wait for the ultrasound.
Wiki User
∙ 14y ago
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Can you eat before a pelvic ultrasound?
Yes you are able to eat and drink before a pelvic ultrasound. It is advised that you drink empty your bladder an hour and a half before your appointment. Then you will need to drink 32oz of water and be done drinking one hour before your schedulable ultrasound. So you will have 1/2 an hour to drink 32oz of water then the want you to come in on a full bladder and not empty until after the procedure. Yes you are able to eat and drink before a pelvic ultrasound. It is advised that you do empty your bladder an hour and a half before your appointment. Then you will need to drink 32oz of water and be done dringking one hour before your scheduualed ultrasound. So you will have 1/2 an hour to drink 32oz of water then the want you to come in on a full bladder and not empty until after the procedure.
How much water should you drink before an ultrasound?
Ultrasound uses sound, or more accurately, sound waves or vibrations, to travel through a medium of some sort to image what is within that medium. Not unlike radar, some of the sound waves bounce off of things within that medium allowing them to be seen. In example, the dividing line between muscle and bone can be thought of as an interface, something the sound waves can bounce off of. The change in density from muscle to bone, allows the bone to be image. Most ultrasound systems are designed to work best in water environments. This is because most of the solid parts of a body, including organs, bones, and other things, reside in, or are made up of mostly water. Water can carry sound waves better than air. Therefore, water-favoring ultrasound system can’t image well in air. For a water-based ultrasound system, air can act like a barrier to the sound waves. And, much like a brick wall stops you from seeing what is on the other side of the wall, air can prevent ultrasound from seeing what is there. By drinking water, one reduces the amount of air in the stomach and, therefore, improves the image quality of the ultrasound in that region of your body. However, there are other systems that use sound to image such things as geologic features underground, or things within the air (like the natural imaging bats do using sound). So, what you want to see or image, determines the type of sound-imaging system used.
Can you have a glass of wine the day before your abdominal ultrasound?
If you are going to take an ultrasound because you are pregnant, then the answer is no. It usually depends on what type of ultrasound. Some of them, you can't even drink. But preferably, no, don't drink alcohol before an ultrasound.
How should patients be prepared for a transvaginal ultrasound?
There is no special preparation required by a woman before a transvaginal ultrasound. She can continue to take medications prescribed by her health care provider, although she should not drink liquids for four hours before the test.
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