Transcutaneous Oximetry (TcPO2)

Question 1

Wound healing and amputation level determination

Answer 1

Capabilities

Question 1

Inability to keep electrode fairly flat on the intact skin surface

Answer 1

Limitations

Question 2

Patient supine, head on pillow; room is warm

Answer 2

Patient positioning

Question 3

Electrodes heats skin to what?

Answer 3

45 degrees Celsius

Question 4

Electrode converts chemical reaction to a

Answer 4

Current which is converted to p02 reading in mmHg

Question 5

Skin cleansed with alcohol wipe; air dried. Airtight self adhesive fixation ring placed on the skin

Few drops of electrolyte solution put inside ring; electrode/sensor is affixed to fixation ring

Reference reading (upper lat chest) obtained first; followed by specific sites (ex. near toes BK AK)

Answer 5

Technique

Question 6

After manual calibration, takes about how many minutes

Answer 6

15-20/ site to obtain p02

Question 7

p02 reading of > 50 mmHg

Answer 7

healing should occur

Question 8

< 40 to < 50 mmHg

Answer 8

borderline healing

Question 9

< 30 mmHg this number also varies

Answer 9

Non- healing (poor values)