NHA Certified Clinical Medical Assistant (CCMA)Clinical Patient CareMedium
A medical assistant is providing instructions to a patient who is scheduled for an abdominal ultrasound. Which of the following instructions is essential for this procedure?
- ATake a laxative the night before to clear the bowels.
- BDrink 32 ounces of water 1 hour prior to the exam and do not void.
- CAvoid all medications for 24 hours before the exam.
- DConsume a light breakfast on the day of the exam.
Show answer & explanationAnswer & explanation
Correct answer: B. Drink 32 ounces of water 1 hour prior to the exam and do not void.
For an abdominal ultrasound, especially if the bladder or pelvic organs are being examined, a full bladder acts as an acoustic window, pushing bowel loops out of the way and allowing for better visualization of structures. Patients are typically instructed to drink a specified amount of water and refrain from emptying their bladder.
Why the other options are wrong
- A. While bowel preparation is common for colonoscopies, it is generally not required for a routine abdominal ultrasound and could cause discomfort.
- C. Patients should generally continue their regular medications unless specifically instructed otherwise by the provider.
- D. Fasting is often required for abdominal ultrasounds to minimize bowel gas, so a light breakfast would be inappropriate.
Abdominal Ultrasound Prep
Specific patient preparations, such as fasting and bladder fullness, required to optimize visualization during an abdominal ultrasound.
- Often requires fasting (e.g., 6-8 hours).
- Requires a full bladder for pelvic/lower abdominal views.
- Avoids bowel gas interference.
Memory trick: For an 'Abdominal View', make sure the bladder's 'full and true', and keep the stomach 'empty too'.