f. Remove your fingers from the notch area and place that hand on top of the
hand on the compression site. Either extend or interlace your fingers.
g. Straighten your arms and lock your elbows. Position your shoulders directly
above your hands.
h. Without bending your elbows, rocking, or allowing your shoulders to sag,
apply enough pressure straight down to depress the person's breastbone 1 to 2
inches (figure 3-17).
Figure 3-17. Administering a chest thrust to an unconscious person.
i. Release the pressure on the person's chest (shift your body weight
backward).
(1) If you think the obstruction has been dislodged, perform a finger sweep
and administer two full breaths. If the airway is open, check for a pulse and for
spontaneous breathing (person breathing on his own).
(2) If the obstruction was not dislodged, administer another chest thrust. If
you administer five chest thrusts without dislodging the obstruction, call for help again,
perform a finger sweep, and try to administer two breaths. Repeat the cycle of five
chest thrusts, finger sweep, and breaths until the object is expelled and the person's
airway is open (chest rises during ventilations).
CAUTION:
If the person vomits, turn him onto his side and use a quick finger
sweep to remove vomitus from his mouth.
MD0877
3-20
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