Certified Hyperbaric Technologist Practice Test

Which environment factor could influence TcOm readings during assessment?

1. Lighting conditions

2. Noise levels

3. Room temperature

4. Patient anxiety

The correct answer is: Room temperature

The influence of room temperature on TcOm (transcutaneous oxygen monitoring) readings is significant because temperature affects the skin's vascular response and metabolism. In hyperbaric treatment or any clinical setting where TcOm is used, knowing the temperature is crucial, as deviations can impact local blood flow and, consequently, the accuracy of the oxygen readings obtained. When room temperature is too low, vasoconstriction can occur, leading to reduced blood flow to the skin and potentially lowering the TcOm readings. Conversely, if the temperature is too high, it can cause vasodilation, possibly increasing the readings. To obtain accurate and reliable TcOm readings, maintaining a stable and appropriate room temperature is essential. While other environmental factors—such as lighting conditions or noise levels—can affect the patient's overall comfort, they do not have a direct physiological impact on the readings produced by the TcOm devices. Patient anxiety may impact the results through physiological changes but is more of a psychological influence rather than an environmental factor. Therefore, monitoring and controlling room temperature is key for accurate TcOm assessment.