(8) Deliver the second breath. Blow another breath into the casualty's
mouth at a slow rate. Observe the casualty's chest.
(9) Break the seal and release nose. After delivering the second breath,
break the seal over the casualty's mouth and release the nose. The casualty's body will
exhale without further effort on your part.
b. Mouth-to-Nose. The mouth-to-nose rescue breathing (figure 3-7) is also
Figure 3-7. Administering mouth-to-nose breathing.
Maintain airway. Keep the casualty's airway open by keeping the chin
Inhale. Take a deep breath.
(3) Close the mouth. Use the hand that is lifting the casualty's jaw to close
the casualty's mouth. No air should escape through the casualty's mouth when you
perform your ventilations. Continue to keep the jaw in a "lifted" position. (If the head-
tilt/chin-lift is being used, maintain the pressure on the forehead with your other hand to
keep the casualty's airway open.)
(4) Seal the nose. Place your mouth over the casualty's nose. Make sure
that your mouth forms a seal so that air will not escape when you blow air into his nose.
(5) Deliver the first breath. Blow a breath into the casualty's nose at a slow
rate. If the airway is open, the chest will rise as his lungs fill with air.