The transvaginal transducer is disinfected before use, and a protective cover is placed over the transducer each time it is used, so there is no risk of infection. First, a gel is applied to the skin over the area to be examined (lower abdomen/pelvis) to allow the ultrasound probe to move easily over the skin.Īfter external images have been done, the transvaginal scan will be offered, and you will be asked to empty your bladder and change into a gown. Your examination will be performed by a sonographer who will introduce themselves and confirm your identity and the procedure you are having. A transvaginal scan is optional for all patients it is your decision whether to proceed. If you have concerns, please discuss them with the sonographer. Transvaginal scans are generally not performed on young girls, women that have not been sexually active and those declining the procedure. There are times when a transvaginal scan will not be required, and recognise it is not a suitable or acceptable procedure for all women. You will be free to go about your normal activities after the procedure has finished.Transvaginal ultrasound involves inserting a thin transducer (slightly thicker than a tampon) into the vagina to get more detailed images as the transducer is closer to the pelvic organs. The whole procedure typically lasts less than 30 minutes, depending on the area being examined. They form a picture that can be interpreted by the doctor.ĭepending on the area being examined, you may need to change positions so the technician can have better access.Īfter the procedure, the gel will be cleaned off of your skin. The sound waves are at too high of a pitch for the human ear to hear. Those echoes are then reflected back into a computer. The waves echo as they hit a dense object, such as an organ or bone. The transducer sends high-frequency sound waves through your body. The jelly also helps transmit the sound waves. The transducer has a similar appearance to a microphone. This prevents friction so they can rub the ultrasound transducer on your skin. You will most likely be lying down on a table with a section of your body exposed for the test.Īn ultrasound technician, called a sonographer, will apply a special lubricating jelly to your skin. For this reason, they are the preferred method for examining a developing fetus during pregnancy.īefore the exam, you will change into a hospital gown. Unlike X-rays or CT scans, ultrasounds use no radiation. It’s important to follow your doctor’s instructions and ask any questions you may have before the procedure.Īn ultrasound carries minimal risks. For other examinations, you may be asked to drink a lot of water and to hold your urine so that your bladder is full and better visualized.īe sure to tell your doctor about any prescription drugs, over-the-counter medications, or herbal supplements that you take before the exam. However, you can continue to drink water and take any medications as instructed. Undigested food can block the sound waves, making it difficult for the technician to get a clear picture.įor an examination of the gallbladder, liver, pancreas, or spleen, you may be told to eat a fat-free meal the evening before your test and then to fast until the procedure. Your doctor may tell you to fast for eight to 12 hours before your ultrasound, especially if your abdomen is being examined. The steps you will take to prepare for an ultrasound will depend on the area or organ that is being examined.
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