The transcutaneous blood gas electrode should not be placed on ...

[wenmo]

The transcutaneous blood gas electrode should not be placed on the:
 
  a. chest.
  b. abdomen.
  c. lower back.
  d. thigh.

Question 2

In which of the following patients would transcutaneous blood gas monitoring most likely pro-vide inaccurate or erroneous results?
 
  a. Newborn infant with respiratory distress syndrome (RDS)
  b. Patient with hypoxemia
  c. Patient with a hyperpyrexia
  d. Patient in hypovolemic shock

[rosiehomeworddo]

Answer to Question 1

ANS: D
The most common sites for electrode placement are the abdomen, chest, and lower back.

Answer to Question 2

ANS: D
This is because accurate transcutaneous measures require adequate skin perfusion. Low cardiac output, shock, and dehydration all cause peripheral vasoconstriction and impair capillary flow, which lowers the PtcO2 level.

[wenmo]

TY

[rosiehomeworddo]

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