Equipment Operation & Patient Preperation B Flashcards
What is the best device for detecting hypopneas and respiratory effort-related arousals (RERA)?
A nasal pressure transducer (B-15)
What’s the best device for measuring air flow? (x2)
The Thermistor / Thermal couple (these two terms are synonyms)
Capnographs measure ETCO2 by using ___.
Infrared absorption
What does torr mean? (example? PaCO2 = 30 torr)
Torr = mmHg
They are synonyms.
(This card was put in because I thought it was interesting. Probably not a test question.)
What is a normal ETCO2 expressed as a percentage? (The answer is not 35-45 mmHg)
3-5% (B-16)
What does a Clark electrode measure?
Transcutaneous PO2 (B-17)
What does a Severinghaus electrode measure?
Transcutaneous CO2
How can you improve the readings of a Clark or Severinghous electrode?
How often should you move the Clark or Severinghaus electrode?
Heat the skin.
(Heat to 43-45 degrees C, about 110 degrees Fahrenheit)
Move the electrode every four hours. (If blistering occurs, move it more often.)
What is the PO2 at sea level?
150 mmHg
What will happen to the PO2 and PaCO2 if the Clark or Severinghaus electrodes fall off?
PaO2 will rise toward 150. PaCO2 will fall toward zero.
What is used to apply the snore microphones to the patient? Where should you not attach them?
Use medical tape. Don’t apply them above the carotid artery.
CPAP is contraindicated in patients with ___.
Dysphasia (For testing purposes only.)
What is meant by the term “Pneumatic splint”?
Pneumatic splint refers to keeping the upper airway open with airway pressure.
How do you know when optimal CPAP has been achieved? x3
Respiratory events and arousals have been resolved.
O2sat is normal.
When setting BiPAP, a pressure support of ___ is usually recommended.
4
On the test, when changing a patient from CPAP to BiPAP, keep the pressure support at 4 or greater.) (B-20
