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Methods of Ventilation. Mouth to mask Two-person BVM device Flow restricted, oxygen powered device One-person BVM device. Bag-valve-mask. Rate of Artificial Ventilations. Adult — 1 breath every 5 seconds Children — 1 breath every 3 seconds Infants — 1 breath every 3 seconds.

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methods of ventilation
Methods of Ventilation
  • Mouth to mask
  • Two-person BVM device
  • Flow restricted, oxygen powered device
  • One-person BVM device

Bag-valve-mask

rate of artificial ventilations
Rate of Artificial Ventilations

Adult — 1 breath every 5 seconds

Children — 1 breath every 3 seconds

Infants — 1 breath every 3 seconds

Bag-valve-mask

mouth to mask technique 1 of 2
Mouth-to-Mask Technique (1 of 2)
  • Kneel at patient’s head and open airway.
  • Place the mask on the patient’s face.
  • Take a deep breath and breathe into the patient for 1 1/2 to 2 seconds.
  • Remove your mouth and watch for patient’s chest to fall.
bag valve mask device
Bag-Valve-Mask Device
  • Can deliver more than 90% oxygen
  • Delivers less tidal volume than mouth-to-mask
  • Requires practice to be proficient
  • May be used with advanced airways
two person bvm technique 1 of 2
Two-Person BVM Technique (1 of 2)
  • Insert an oral airway.
  • One caregiver maintains seal while the other delivers ventilations.
  • Place mask on patient’s face.
  • Squeeze bag to deliver ventilations.
ongoing assessment of ventilation
Ongoing Assessment of Ventilation
  • Adequate Ventilation
    • Equal chest rise and fall
    • Ventilating at appropriate rate
    • Heart rate returns to normal
  • Inadequate Ventilation
    • Minimal or no chest rise and fall
    • Ventilations too fast or slow
    • Heart rate does not return to normal
sellick maneuver
Sellick Maneuver
  • Use on unconscious patients to prevent gastric distention.
  • Place pressure on cricoid with thumb and index finger.
gastric distention
Gastric Distention
  • Artificial ventilation fills stomach with air.
  • Occurs if ventilations are too forceful or too frequent or when airway is blocked
  • May cause patient to vomit
stomas and tracheostomy tubes
Stomas and Tracheostomy Tubes
  • Ventilations are delivered through the stoma.
  • Attach BVM device to tube or use infant mask.
  • Stoma may need to be suctioned.
causes of foreign body obstruction
Causes of Foreign Body Obstruction
  • Relaxation of the tongue
  • Vomited stomach contents
  • Blood clots, bone fragments, damaged tissue
  • Swelling caused by allergic reactions
  • Foreign objects
recognizing an obstruction 1 of 2
Recognizing an Obstruction (1 of 2)
  • Obstruction may be partial or complete.
  • Is patient able to speak or cough?
  • If patient is unconscious, attempt to deliver artificial ventilation.
removing an obstruction 2 of 2
Removing an Obstruction (2 of 2)
  • Perform Heimlich maneuver.
  • Use suction if needed.
  • If attempts to clear the airway are unsuccessful, transport rapidly.
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