Manual Ventilation Devices Flashcards

1
Q

What is positive pressure manual ventilation?

A
  • ability to use your hands to breathe for patient

- manual vs. mechanical

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2
Q

APSF Guidelines (7)

A
  1. reliable O2 delivery up to 100%
  2. reliable positive pressure ventilation
  3. backup ventilation equipment available & functioning
  4. controlled release of positive pressure in breathing circuit
  5. anesthesia vapor delivery
  6. adequate sxn
  7. standards for patient monitoring
  8. ACLS/PALS
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3
Q

Indications for manual ventilation

A
  • bridge to placement of secure airway
  • vent failure or circuit malfunction
  • excessive sedation/resp depression in MAC cases
  • transport
  • emergency situation
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4
Q

contraindications of manual ventilation for GA

A
  • full stomach
  • difficult airway
  • facial trauma/anomalies
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5
Q

insertion of oral airway

A

-insert ‘upside down’ and rotate 180 degrees as approach posterior pharynx

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6
Q

sizing of oral airway

A

-corner of mouth to tip of earlobe

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7
Q

standard mask sizes

A
  • adult size 4-5

- peds size 0-3

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8
Q

what are the indications of oral airway

A
  • edentulous patient
  • Down’s or peds with large tongue
  • sleep apnea
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9
Q

sizing of nasopharyngeal airway

A

-nose to earlobe

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10
Q

insertion of NP airway

A
  • bevel towards septum
  • stop if resistance felt
  • left nostril- bevel towards septum and rotate 180 degrees
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11
Q

what are the indications of NP airway

A
  • patient can’t open mouth

- intact gag reflex

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12
Q

what are the contraindications of NP airway

A
  • nose bleeds- anti-coagulation

- basilar skull fracture

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13
Q

what are the risk factors for difficult mask airway?

A
  • facial hair
  • edentulous
  • obesity
  • OSA
  • facial anomalies
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14
Q

non-rebreathing valve on manual ventilator device

A
  • ensures exhaled gas does not mix with fresh gas

- exhaled gas escapes to atmosphere

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15
Q

why is there APL valve?

A

-only gas exit from breathing system during spontaneous, assisted, or manually controlled ventilation IF there are NO CIRCUIT LEAKS

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16
Q

how does the APL valve work?

A
  • used to control pressure in breathing circuit -> adjusts bag filling
  • high gas flows will pressurize circuit quickly