Exposure should be limited to 10 minutes or less at 42°C (107.6°F) or
higher.
• Sufficient data on thermal tolerance of the esophagus in neonate and
pediatric patients does not exist, but it is likely these patients are more
vulnerable than adults. Minimize the time spent imaging at distal tip
temperatures in excess of 41°C (105.8°F).
Using the Temperature Display
Both the patient temperature (assumed or entered) and the transducer
temperature appear in the lower left corner of the display when enabled. On
the display, the patient temperature is labeled PAT T, and the transducer
temperature is labeled TEE T.
A less-than sign (<) after TEE T indicates that the transducer's distal tip
temperature is below the patient temperature (PAT T) assumed by the system,
which is either 37°C (98.6°F) or the temperature you entered.
You can customize the display of the TEE transducer temperature and the patient
temperature from the TEE touch screen.
NOTE
If you want the temperature display enabled by default, turn on the temperature
display and then create a preset as described in "Creating Quick Save Presets"
on page 172.
1. Display the TEE touch screen by touching TEE.
2. Touch Temp Display to display or hide the temperature display.
3. Touch Temp Units to switch the temperature scale between Farenheit and
Celsius.
Patient Temperature
Entering a patient’s temperature enables the Auto-Cool feature to calculate tip
temperature more accurately, which can prevent unnecessary interruptions while
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iU22 User Manual
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10
Transesophageal Transducers
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