<Li> Mouth - to - nose - In some instances, the rescuer may need or wish to form a seal with the patient's nose . Typical reasons for this include maxillofacial injuries, performing the procedure in water or the remains of vomit in the mouth </Li> <Li> Mouth - to - mouth and nose - Used on infants (usually up to around 1 year old), as this forms the most effective seal </Li> <Li> Mouth - to - mask--Most organisations recommend the use of some sort of barrier between rescuer and patient to reduce cross infection risk . One popular type is the' pocket mask' . This may be able to provide higher tidal volumes than a Bag Valve Mask . </Li> <P> Most training organisations recommend that in any of the methods involving mouth - to - patient, that a protective barrier is used, to minimise the possibility of cross infection (in either direction). </P>

What device is used to perform mouth to mask ventilation
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