Transcutaneous Oximetry (TcPO2)

Question 1

trancutaneous oximetry helps determine ___

Answer 1

wound healing and amputation level

Question 2

transcutaneous oximetry reflects ___

Answer 2

tissue partial pressure of oxygen (PO2)

Question 3

transcutaneous oximetry electrode houses a heating element that heats the skin to ___ to increase blood flow

Answer 3

45°C

Question 4

transcutaneous oximetry

a self-adhesive molded plastic fixation ring is applied to the intact skin and a few drops of ___ are put inside the plastic ring

Answer 4

electrolyte solution

Question 5

PO2 readings are noted within ___

Answer 5

15 to 20 minutes

Question 6

where is the transcutaneous oximetry reference site?

Answer 6

upper left chest

Question 7

transcutaneous oximetry

the electrode is applied (2)

Answer 7

near a wound
at the anticipated level of amputation

Question 8

if the PO2 levels is less than normal or poor, TcPO2 with ___ can be performed

Answer 8

oxygen challenge

Question 9

TcPO2 interpretation

normal
poor
critical ischemia

Answer 9

normal ( > 50mmHg )
poor ( < 40mmHg )
critical ischemia ( < 30mmHg )

Question 10

factors that affect TcPO2 values (4)

Answer 10

arterial PO2
skin blood flow
skin composition
capillary temperature under the sensor