BLADDERSCAN BVI 6100, Operation & Maintenance Manual, Page: 25 / 48

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Operations & Maintenance Manual: Measuring Bladder Volume
10. If you would like to ensure the highest degree of accuracy, repeat Step 5–Step 9 in order to complete
three scans, and then compare the results. It is not necessary that the three exam results be identical, but
they should be similar.
11. Wipe the gel off the patient and the probe.
12. Ensure that you manually record the exam results or transfer the data to Scan Point
®
prior to performing
another exam or allowing the instrument to go into sleep mode.
If you perform another exam or if the instrument goes into sleep mode before manually recording or
transferring the exam results, the exam results will be lost.
IMPORTANT
SCANNING TIPS
Hold the BladderScan instrument steady while scanning. Movement will result in an inaccurate reading.
IMPORTANT
Applying too much pressure when scanning will lead to a “greater than” symbol (>) preceding the bladder
volume measurement. Apply less pressure and re‑scan.
Volume reading will be affected by:
• The presence of scar tissue.
• The presence of a catheter.
• Obese patients—If you are scanning an obese patient, lift as much abdominal adipose tissue out of
the way of the instrument as possible. Apply more pressure to the BladderScan instrument in order to
reduce the amount of adipose tissue through which the ultrasound must pass.
To ensure accurate results, make sure that:
• There are no air gaps between the probe and the patient’s skin.
• There are no air bubbles in the ultrasound gel.
• You are holding the instrument steady while scanning (avoid changing its position, angle, or pressure).
• You are using enough pressure to maintain good skin contact until the scan is complete.
• There is not a catheter in the patient’s bladder. The presence of a catheter may affect the accuracy
of the bladder volume measurement, but the measurement may still be clinically useful (detecting a
blocked catheter, for example).