I&M gas analysis

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Author:
bgroll
ID:
224901
Filename:
I&M gas analysis
Updated:
2013-06-24 19:20:35
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aa emory
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Description:
I&M summer test 1
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  1. what is side-stream analyzer response time?
    300 ms
  2. mainstream monitored with?
    infrared
  3. placement of the analyzer prior to the HME _____________ deadspace.
    increases
  4. How long does a FUEL CELL O2 analyzer last?  What is the response time?
    • 200,000% hrs or 15 months on room air
    • 5-35 ms
  5. Paramagnetic O2 analyzer response time?
    150 msec
  6. Polarographic or _______ _______________ uses what type of electrodes?
    silver anode, platinum cathode
  7. servinghaus CO2 electrode uses a __________ __________ and _____ _______.
    • semipermeable membrane
    • blood sample
  8. O2 has a strong ________ _______ than is ___ times greater than other gases used in anesthesia.
    Two techniques are:
    • magnetic property
    • 200
    • dumbbell and differential pressure

  9. What is this?
    What does blue rep?
    red?
    • paramagnetic O2 analyzer (diff pressure- magnetpneumatic)
    • diff pressure transducer
    • pulsed magnetic field
  10. What should you remember to calculate in FiO2?
    FGF!
  11. Transcutaneous O2 measurement:
    • skin heated to 43-44 C
    • polarographic electrode
    • burns if temp >45
    • change position every 3-6 hours to prevent burns
  12. With infrared spectroscopy, __________ ___________ ____________ are measured. these include:
    • asymmetric polyatomic molecules
    • Nitrous oxide, Halo, Enf, Iso, Des, Sevo, Nitric Oxide, Water vapor
  13. Name of water trap used in gas analysis.
    nafion tubing
  14. NDIR?
    non dispersive infra red
  15. what specific analyzer is used to measure nitrogen?
    RAMAN
  16. MASS SPEC is _____________ of the molecule by an _______ _______.  Produces a + ion whose path is determined by the _____ __ _______ ______.  + ion lands on collector, creating ___________ ________. consists of a
    • fragmentation
    • electron beam
    • mass to charge ratio
    • electrical current

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