It helps prevent air pockets, which can block the sound waves that create the images. Gel is applied to your skin over the area being examined. You'll be asked to lie on an examination table. Remove or reposition some or all of your clothing.Remove any jewelry from the area being examined.Sound waves from the transducer create images of the uterus, ovaries and fallopian tubes.īefore your ultrasound begins, you may be asked to do the following: What you can expect Before the procedureĭuring a transvaginal ultrasound, you lie on an exam table while a health care provider or a medical technician puts a wandlike device, known as a transducer, into the vagina. You may be asked to remove jewelry during your ultrasound, so it's a good idea to leave any valuables at home. Wear loose clothing to your ultrasound appointment. When scheduling an ultrasound for yourself or your child, ask your doctor if there are any specific instructions you'll need to follow. Young children may need additional preparation.Your doctor will let you know how much water you need to drink before the exam. Others, such as a pelvic ultrasound, may require a full bladder.For some scans, such as a gallbladder ultrasound, your care provider may ask that you not eat or drink for a certain period of time before the exam.Most ultrasound exams require no preparation. To view these areas, your health care provider may order other imaging tests, such as CT or MRI scans or X-rays. Ultrasound may also be unable to see objects that are located very deep in the human body. Sound waves don't travel well through air or bone, so ultrasound isn't effective at imaging body parts that have gas in them or are hidden by bone, such as the lungs or head. Ultrasound is a valuable tool, but it has limitations. Multisystem inflammatory syndrome in children (MIS-C)ĭiagnostic ultrasound is a safe procedure that uses low-power sound waves.Median arcuate ligament syndrome (MALS).Chronic exertional compartment syndrome.
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