Bag & mask equipment
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Transcript of Bag & mask equipment
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
A pressure pop-off valve and/or a pressure gauge manometer
Capable of giving 100% oxygen Appropriate sized mask
Resuscitation bags
Two types Flow inflating bag (anesthesia bag) Self inflating bag
Flow inflating bag
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
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
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
Flow inflating bagDisadvantages
Requires a tight seal to remain inflated Requires a gas source to inflate No safety pop-off valve Requires more experience
Self inflating bag
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
Without Reservoir
With Reservoir
Self inflating bagAdvantages
Does not need a gas source to inflate Pressure release valve Easier to use
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
Masks
Cushioned/Non-cushioned Round/Anatomical shaped Size 0 or 1
Correct position of mask
Testing the self-inflating bag Squeeze against your palm
Pressure felt Pressure release valve Pressure manometer Re-inflation
