Two-rescuer CPR. Note: Two-rescuer CPR for children ages 1 to 8 years can be performed similarly to that for adults with appropriate changes in chest compressions and ventilations. (Modified from Chandra, NC, and Hazinski, MF [ cds] : Textbook of Basic Life Support for Healthcare Providers, American Heart Association, Dallas, 1997.)

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Step	Objective	Actions
1. AIRWAY	One rescuer (ventilator): Assessment: determine unresponsiveness.	Tap or gently shake shoulder.
		Shout, "Are you okay?"
	Gill for help.	Activate EMS.
	Position the victim.	Turn on back if necessary (4-10 sec).
	Open the airway.	Use a proper technique to open airway.
2. BREATHING	Assessment: determine breathlessness.	Look, listen, and feel (3-5 sec).
	Ventilate twice.	Observe chest rise: 1-1.5 sec/inspiration.
3. CIRCULATION	Assessment: determine pulselessness.	Feel for carotid pulse (5-10 sec).
	State assessment results.	Say, "No pulse."
	Other rescuer (compressor): Get into position for compressions.	Hand, shoulders in correct position.
	Locate landmark notch.	Landmark check.
4. COMPRESSION/ VENTILATION CYCLES	Compressor: begin chest compressions.	Correct ratio compressions/venlilations: 5:1
		Compression rate: 80-100/min (5 compressions/3-4 sec).
		Say any helpful mnemonic.
		Slop compressing for each ventilation.
	Ventilator: ventilate after every 5th compression and check compression effectiveness, (Minimum of 10 cycles.)	Ventilate 1 time (1.5-2 sec/inspiration).
		Check pulse occasionally to assess compressions.
5. CALL FOR SWITCH	Compressor: coll for switch when fatigued.	Give clear signal Io change.
		Compressor completes 5th compression.
		Ventilator completes ventilation after 5th compression.
6. SWITCH	Simultaneously switch:
	Ventilator: move to chest.	Move to chest.
		Become compressor.
		Get into position for compressions.
		Locate landmark notch.
	Compressor: move Io head.	Move to head.
		Become ventilator.
		Check carotid pulse (5 sec).
		Say, "No pulse."
		Ventilate once (1.5-2 sec/inspiration).
7. CONTINUE CPR	Resume compression/ventilation	Resume Step 4.