Answer :
Prior to providing the subsequent ventilation, the chest should drop. not longer than ten seconds.
With both hands the second rescuer must slowly squeeze the bag. 1 second and visibly cause the chest to elevate.
Different ways in which you can do chest compressions to an adult :-
1. Take up a position by the victim's side.
2. Verify that the victim is flat, supported, and lying faceup.
3. Set up your body and hands to apply compressions to your chest.
Place the heel of one hand on the victim's lower breastbone at the centre of the victim's chest (sternum).Your other hand's heel should be placed on top of the first hand.Straighten your arms, then place your shoulders so that they are directly above your hands.
4.) Perform chest compressions between 100 and 120 times per minute.
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Final answer:
In 2 rescuer ventilation, the second rescuer squeezes the bag-mask device for one second per breath to make the chest rise visibly, with approximately 10 to 12 breaths per minute for an adult.
Explanation:
When providing 2 rescuer ventilation, the second rescuer should squeeze the bag-mask device for about one second per breath, enough to make the chest visibly rise. It's important to coordinate with the person performing chest compressions if CPR is being administered simultaneously. Each breath should be delivered during a pause between compressions, and the rate of ventilation should be about 10 to 12 breaths per minute for an adult. The quality of the breaths and chest rise should be monitored to ensure effective ventilation and to avoid complications such as gastric inflation.
