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Author Question: During continuous monitoring of an active 5-year-old patient with a finger pulse oximetry probe, you ... (Read 25 times)

olgavictoria

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on: Jul 16, 2018
During continuous monitoring of an active 5-year-old patient with a finger pulse oximetry probe, you obtain frequent and repeated false low HbO2 alarms (<90). Which of the following would be the best action to take in this situation?
 
  a. Sedate the patient and restrain the arms.
  b. Reset the low alarm limit to the 80 to 85 range.
  c. Use a spot check instead of continuous monitoring.
  d. Relocate the sensor to a more stable loca-tion.

Question 2

What is the most common source of error and false alarms with pulse oximetry?
 
  a. Presence of HbCO
  b. Patient motion artifact
  c. Presence of vascular dyes
  d. Ambient light detection


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billybob123

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Although new technologies promise to reduce this, relocation of the sensor to the earlobe, toe, or forehead can minimize the problem.

Answer to Question 2

ANS: B
Patient motion artifact probably is the most common source of error and false alarms.


olgavictoria

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Reply #2 on: Jul 16, 2018
Correct answers!


billybob123

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Reply #3 on: Jul 16, 2018
Great! Please up vote :D


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