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Bag & Mask Ventilation

Bag & Mask Ventilation. Positive pressure ventilation. Ventilation of the lungs single most important and most effective step in cardiopulmonary resuscitation of the compromised newborn. A good resuscitation bag. Size 200-750 ml Capable of avoiding excessive pressure

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Bag & Mask Ventilation

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  1. Bag & Mask Ventilation

  2. Positive pressure ventilation • Ventilation of the lungs • single most important and most effective step in cardiopulmonary resuscitation of the compromised newborn

  3. A good resuscitation bag • Size 200-750 ml • Capable of avoiding excessive pressure • A pressure pop-off valve and/or a pressure gauge manometer • Capable of giving 100% oxygen • Appropriate sized mask

  4. Resuscitation bags • Two types • Flow inflating bag (anesthesia bag) • Self inflating bag

  5. Flow inflating bag

  6. Flow inflating bag • Fill only when oxygen from a compressed source flows into them • Depend on a compressed gas source • Must have a tight face-mask seal to inflate • Use a flow-control valve to regulate pressure-inflation

  7. Flow inflating bag will not work if • The mask is not properly sealed over the newborn’s nose and mouth • There is a tear in the bag • The flow-control valve is open too wide. • The pressure gauge is missing

  8. Flow inflating bagAdvantages • Delivers 100% oxygen at all times • Easy to determine the adequacy of seal • “Stiffness” of lungs can be felt • Can be used to deliver 100% free flow oxygen

  9. Flow inflating bagDisadvantages • Requires a tight seal to remain inflated • Requires a gas source to inflate • No safety pop-off valve • Requires more experience

  10. Self inflating bag

  11. Self inflating bag • Fill spontaneously after they are squeezed, pulling oxygen or air into the bag • Remain inflated at all times • Can deliver positive-pressure ventilation without a compressed gas source; user must be certain the bag is connected to an oxygen source for the purpose of neonatal resuscitation • Require attachment of an oxygen reservoir to deliver 100% oxygen

  12. Without Reservoir

  13. With Reservoir

  14. Self inflating bagAdvantages • Does not need a gas source to inflate • Pressure release valve • Easier to use

  15. Self inflating bagDisadvantages • Will inflate even without adequate seal • Requires a reservoir to deliver 100% oxygen • Can not be used to deliver 100% free flow oxygen

  16. Masks • Cushioned/Non-cushioned • Round/Anatomical shaped • Size 0 or 1

  17. Correct position of mask

  18. Testing the self-inflating bag • Squeeze against your palm • Pressure felt • Pressure release valve • Pressure manometer • Re-inflation

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