An ultrasound, also called a sonogram, uses sound waves to produce images of soft tissues inside the body. Sound waves move through the body and based on the frequency, the signals are translated into images on a computer. Ultrasound can also be used for a tissue or fluid biopsy.
Learn more about ultrasound exams in the Johns Hopkins Health Library.
Ultrasound Exam: Why Choose Johns Hopkins Medical Imaging?
Johns Hopkins Medical Imaging brings the world-class expertise of Johns Hopkins to your community. Why does expertise matter? Because you matter. Here is how we do it:
- Physician Experts. We set the standard for other radiologists around the world.
- #1 Radiology Department. We are the top-ranked radiology department by U.S. News and World Report.
- State-of-the-Art Technology. Doing the right study with high quality increases accuracy.
- Your Safety Is Always Our Priority. We take comprehensive safety measures to minimize any possible risk.
How do I prepare for an ultrasound exam?
Based on your medical condition, your health care provider may require other specific preparations.
What happens during an ultrasound exam?
- You will be asked to remove any clothing or jewelry that may interfere with the exam. If you are asked to remove clothing, you will be given a gown to wear.
- You will lie on an exam table on your back, side or stomach, depending on the specific area to be examined.
- Ultrasound gel is placed on the area of the body that is being examined.
Learn more about what happens during an ultrasound exam.
What happens after an ultrasound exam?
There is typically no special type of care following an ultrasound. However, your health care provider may give you additional instructions depending on your specific health condition.
Request an Appointment
Johns Hopkins Medical Imaging is serving communities in suburban Baltimore and Washington, D.C. area with convenient weekday, weekend and evening appointment hours. Patients can self-schedule ultrasound appointments online through our patient portal (MyChart).