To properly operate, the transcutaneous partial pressure of oxygen electrode needs to be at what temperature range?
a. 32-35° C
b. 36-39° C
c. 42-45° C
d. 46-49° C
ANS: C
The transcutaneous partial pressure of carbon dioxide (PtcO2) electrode is heated to between 42° C and 45° C to produce capillary vasodilation below the surface of the electrode. This will im-prove diffusion of gases across the skin. If the PtcO2 temperature is lower than this range, the re-sults will not be reliable. A temperature higher than this range will produce skin burns.
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