Verathon AORTASCAN AMI 9700 Operation & Maintenance Manual page 15

WARNING
Risk of inaccurate measurements/results. When using the instrument, be aware of the
following conditions that can decrease the accuracy of exam results:
• In some cases, the normal operating tolerances of the instrument can cause it to report a
falsely normal or abnormal measurement. For more information, see
Measurement Results
• Visual verification that the aorta position is fully within the scan cone on the displayed
images is important.
• A thrombus (blood clot) can complicate aortic measurements. A soft, blood‑like thrombus
may appear as part of the lumen. However, a calcified thrombus may appear as part of the
aorta's wall, resulting in a measurement of lumen diameter that is smaller than the aorta
diameter. Accordingly, in patients where thrombus is known or suspected, other imaging
methods should be used prior to ruling out an aneurysm.
• Use care when scanning patients who have had abdominal surgery. Scar tissue, surgical
incisions, sutures, and staples can affect ultrasound transmission and accuracy.
• Ensure that the patient fasts for 12 hours prior to undergoing an aortic diameter
measurement in order to minimize the presence of bowel gas, which may obstruct proper
measurement.
• Obesity may affect ultrasound aortic diameter measurements. For more information, see
Obesity
Accuracy is compromised if the user does not obtain an optimal, repeatable image.
WARNING
Cleaning is critical to ensuring the component is ready for disinfection. Failure to
properly clean the device could result in a contaminated instrument after completing the
disinfection procedure.
WARNING
This product may only be cleaned and disinfected by using the approved processes provided in
this manual. Cleaning and disinfection methods listed are recommended by Verathon
compatibility with component materials.
WARNING
Availability of cleaning and disinfection products varies by country, and Verathon is unable
to test products in every market. For more information, please contact Verathon Customer
Care at 1.800.331.2313 or your local representative. For additional contact information, visit
verathon.com/contact‑us.
Operations & Maintenance Manual: Important Information
on page 51.
on page 54.
Interpret the Aortic
based on
®
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