Simulated unconscious casualty with no respiration and no pulse lying on his
back on the ground with arms at his sides.
Kneels close to the casualty's chest.
Locates the compression site (runs middle finger along
lower edge of rib cage to the notch at breastbone, places
index finger above middle finger, places heel of other hand
next to the index finger) on lower half of breastbone.
Removes first hand and places it on top of hand at
Extends or interlaces fingers of both hands.
Straightens arms, locks elbows, and positions shoulders
directly above hands (compression site).
Presses straight down to depress the breastbone 1.5 to 2
inches. Elbows did not bend, shoulders did not sag, and
casualty did not rock.
Releases pressure to allow breastbone to rise.
Performs a total of 15 chest compressions in 9-11 seconds
without removing heel of hand from compression site.
Opens the casualty's airway using head-tilt/chin-lift or jaw
thrust, as appropriate.
Administers two quick full breaths (3-4 seconds)
Repeats 15 compressions-2 breaths cycle for a total of four
cycles (about one minute)
Checks carotid pulse for 3-5 seconds.
If no pulse, continues 15 compressions-2 breaths cycles,
rechecking the pulse every 3-5 minutes.
(A no-go on any step will result in a no-go for the entire