TCOM

A patient's periwound value was 55 mmHg after 10 mins of breathing room air. What should the value be after breathing 10 minutes of oxygen breathing? A. 75 mmHg. B. 100 mmHg. C. 110 mmHg. D. Double. E. C & D.

110 55 * 2. Or double

Human tissue requires minimum oxygen levels of ______ to heal when injured? A. 10 - 20 mmHg. B. 20 - 30 mmHg. C. 30 - 40 mmHg. D. > 50 mmHg.

30 - 40

Prior to a patient's TcPO2 procedure, he walked in 90F heat for 45 mins to get to your facility. How long should you wait to begin the procedure? A. No waiting is required. B. 10 minutes. C. 30 minutes. D. 60 minutes.

30 mins

Periwound values while undergoing HBOT should be a minimum of? A. 100 mmHg. B. 200 mmHg. C. 300 mmHg. D. 400 mmHg.

300

Which of the following values are considered normal for a chest lead on a patient breathing normal air? A. 40 mmHg. B. 45 mmHg. C. 50 mmHg. D. 72 mmHg.

72 Normal air values at chest = 60-80 mmHg (67 mmHg +/- 12)

Which of the following potential electrode placement sites may provide inaccurate values? A. Ankle. B. Pulse site. C. Bottom of the foot. D. None of the above. E. All of the above.

All the above

Which of the following will have little/no effect on TcPO2 values? A. Drinking coffee. B. Smoking. C. Nicotine patch. D. Ativan.

Ativan Others cause vasoconstriction

TcPO2 values are considered optimal when conducted on edematous tissue? True False

False

If the normobaric air TcPO2 value at the chest is 10 mmHg after the electrode is equilibrated, it is most likely that: A. The value is correct. B. The monitor is defective. C. The electrode cable is defective. D. The membrane is dried out. E. The electrode fixation to the skin has a leak.

Membrane dried out Normal air values at chest = 60-80 mmHg (67 mmHg +/- 12)

A Regional Perfusion Index (RPI) of 0.7 indicates? A. Hypoxic tissue. B. Normal tissue. C. Marginally perfused tissue. D. Hypovascular tissue.

Normal RPI > 0.5

What is the primary reason for waiting to start the TcPO2 procedure? A. Patient's heart rate. B. Patient's respiratory rate. C. Patient is diaphoretic. D. Patient's skin temperature.

Skin temp

In accordance with common national protocols, during the initial :15 min air breathing period, the patient should be in the _____ position? A. Sitting. B. Prone. C. Supine. D. Any of the above.

Supine

TcPO2 modules utlize which type of electrodes? A. Corson. B. Clark. C. Sheffield. D. Workman.

Clark

How is the Regional Perfusion Index (RPI) calculated? A. Chest air reference divided by age. B. Distal value divided by reference value. C. Reference value divided by the distal value. D. Distal value multiplied by the square root of pi.

Distal / reference site value

A Regional Perfusion Index (RPI) of 0.3 indicates? A. Hypoxic tissue. B. Normal tissue. C. Marginally perfused tissue. D. Hypovascular tissue.

Hypoxic RPI < 0.5

Proper site preparation for transcutaneous oximetry requires that the skin be shaven, clean, and degreased True False

True

Special training and education is required by the NBDHMT to perform TcPO2 studies? True False

True Need to complete Module 6