transducer. Make sure that the controls operate smoothly without binding, and
that you can achieve all possible positions easily before introducing the TEE
transducer into the patient.
Test the detent brakes and freewheeling mode. Remember that the controls
must be in freewheeling mode (no deflection and no brake resistance) when
repositioning or withdrawing the transducer, as well as whenever you are not
imaging. See "Manipulating the S7-2omni Tip" on page 243.
Special Considerations for TEE Studies
Special considerations regarding TEE studies are advisable for patients with
existing gastroesophageal abnormalities, such as esophageal varices, hiatal hernia,
tumor, diverticula, esophageal webs and rings, fistulae, or peptic ulcers, as well
as for patients who have had anti-reflux procedures. In addition, you should do
the following:
• Consider the patient’s size and ability to accommodate the transducer tip
and shaft.
• Check the patient’s history for gastroesophageal disease or difficulty
swallowing.
• Evaluate the potential overall effects of any treatment that the patient is
undergoing, such as mediastinal radiation, chemotherapy, anticoagulation,
or steroid therapy.
• Be aware that you may discover unsuspected esophageal pathology during
a study. Be alert for congenital problems with the esophagus or stomach,
particularly with pediatric patients.
• When examining a patient with an above-normal temperature, use the
Auto-Cool feature and enter the patient temperature. The Auto-Cool
feature is described in "Entering Patient Temperature" on page 256.
This list is not comprehensive. Rather, it suggests areas to investigate when
considering TEE for a particular patient.
iU22 User Manual
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Transesophageal Transducers
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