Certified Hyperbaric Technologist Practice Test 2025 - Free Certified Hyperbaric Technologist Practice Questions and Study Guide

Question: 1 / 625

If a sudden rise in TcOm from 5 mmHg to 150 mmHg is detected, what should the technologist do first?

Change the electrode

Investigate the electrode site

When a sudden and significant rise in Transcutaneous Oxygen Monitoring (TcOm) is detected, the first step for the technologist should be to investigate the electrode site. A drastic change, such as increasing from 5 mmHg to 150 mmHg, may indicate a malfunction or error related to the electrode or the measurement site itself. Checking the site helps to ensure that there are no issues such as improper placement, skin irritations, or potential factors that could affect the accuracy of the readings, such as changes in perfusion or contamination.

By examining the electrode site first, the technologist can ascertain whether the reading is a true physiological change or a result of potential equipment failure. This action is crucial since addressing site issues may remedy the abnormal reading without needing further technical adjustments.

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Calibrate the device

Document the reading

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