(6) Use the thumb to retract the casualty's lower lip to keep the casualty's
mouth open, if necessary. See figure 3-2.
Do not tilt or rotate the casualty's head.
Figure 3-2. Opening the airway using the jaw thrust method.
CHECKING THE CASUALTY FOR BREATHING
While maintaining the open airway position (head-tilt/neck-lift or jaw thrust), place
your ear over the casualty's mouth and nose and look toward the chest and abdomen
a. Look to see if the casualty's chest rises and falls.
b. Listen for air escaping during exhalation.
c. Feel for the flow of air on the side of your face.
Figure 3-3. Checking for signs of breathing while maintaining an open airway