An ultrasound helps doctors examine organs, tissues, and blood flow without using radiation. If this is your first ultrasound, preparing in advance can make the experience easier and allow the exam to run smoothly. Proper preparation helps your provider capture cleaner images and ensures more accurate results.
What Is an Ultrasound?
An ultrasound uses sound waves to produce live images of structures inside your body. Gastroenterologists use ultrasound imaging to evaluate abdominal organs and digestive conditions.
Because the procedure is noninvasive and usually painless, doctors often order it as a first step when evaluating symptoms.
Why Preparation Matters
Proper preparation improves image quality and reduces the need to repeat the exam. For example, food, fluids, or certain medications can interfere with results.
Therefore, following your provider’s instructions ensures they get the information they need in a single visit.
How to Prepare Before Your Appointment
Follow Eating and Drinking Guidelines
Your preparation depends on the type of ultrasound:
- Abdominal ultrasound: Avoid eating or drinking for 6–8 hours before the exam. This reduces gas in your stomach and intestines, which can make images unclear.
- Pelvic ultrasound: Drink water before the exam and avoid emptying your bladder. A full bladder improves the visibility of the pelvic organs.
Always follow your office’s instructions, and call if you are unsure about any details.
Review Medications
Take most medications as usual. Bring a complete list of prescriptions and supplements. If fasting is required, ask whether you can take essential medications with a small sip of water.
Your provider will give guidance for any special situations.
Wear Comfortable Clothing
Wear loose, comfortable clothes that allow access to the area being examined. For some abdominal or pelvic scans, you may change into a gown.
What to Bring
Bring the following items to your appointment:
- Photo ID and insurance card
- Referral forms or prior imaging reports
- List of current medications and relevant medical history
Arrive early to complete paperwork and check in without stress.
What Happens During the Ultrasound
Step-by-Step Process
You will lie on a table while the technician applies a clear gel to your skin. The gel helps the transducer move and transmit sound waves. The technician moves the transducer over the area being examined.
You may feel light pressure, but the procedure should not cause pain. In some cases, mild discomfort may occur if the area is tender. Depending on the exam, the technician may ask you to change positions or hold your breath briefly.
How Long Does the Exam Take?
Most ultrasound exams take 20–45 minutes. However, some detailed or specialized studies may take longer.
After the Ultrasound
After the exam, the technician wipes off the gel. You can resume normal activities immediately. You may eat or drink unless your provider gives different instructions.
A specialist reviews the images and shares the results with your gastroenterologist. Your doctor will discuss the results and recommend any next steps.
Tips for a Smooth Experience
- Follow all preparation instructions closely
- Ask questions if anything is unclear
- Stay relaxed during the exam to reduce muscle tension
Keep in mind that factors such as body composition, intestinal gas, or previous surgery can affect image quality. The technician will adjust the exam to get the clearest possible images.
Schedule Your Ultrasound Appointment
If your gastroenterologist has recommended an abdominal ultrasound or wants guidance on how to prepare, the team at Gastroenterology Diagnostic Center can help. Call (281) 357-1977 to schedule your appointment or speak with a member of our care team today.