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One Rescuer Adult BLS CPR

Please purchase the course before starting the lesson.


Be Safe
  • Move the victim out of traffic.
  • Move the victim out of water.
  • Be sure you do not become a victim.
Assess The Victim
  • Shake the victim and shout at the victim.
  • Check to see if the victim is breathing.
Call EMS
  • Send someone for help and an AED.
  • If alone, first call for help.
  • Check Pulse.
  • Begin compressions and breathing.
  • Attach the AED when available.
  • Listen and perform the steps as directed.

Steps for CPR

  1. Check for the carotid pulse on the side of the neck. Remember not to waste time trying to feel for a pulse; feel for NO MORE THAN 10 seconds. If you are not sure you feel a pulse, begin CPR with a cycle of 30 chest compressions and two breaths. (Fig. 1)
  2. Use the heel of one hand on the lower half of the sternum in the middle of the chest. (Fig. 2)
  3. Put your other hand on top of the first hand. (Fig. 3)
  4. Straighten your arms and press straight down. Compressions should be AT LEAST two inches into the victim’s chest and at a rate of AT LEAST 100 per minute. (Fig. 4)
  5. Stop pressing and let the chest expand after each compression – this will allow blood to return back into the heart.
  6. After 30 compressions, stop compressions and open the airway
    by tilting the head and lifting the chin. (Fig. 5A & B)

    1. Put your hand on the victim’s forehead and tilt the head back.
    2. Lift the victim’s jaw by placing your index and middle fingers on the lower jaw; lift up.
    3. Do not perform head tilt/chin lift if you suspect the victim may have a neck injury. Use jaw thrust instead.
  7. Give a breath while watching the chest rise. Repeat while giving a second breath. Breaths should be delivered over 1 second.
  8. Resume chest compressions with minimal interruptions.

woman checking pulse
Fig. 1

pointing to sternum
Fig. 2

two hands on sternum
Fig. 3

two-handed chest compressions

lifting chin with two fingers
Fig. 5A

lifting chin and holding head
Fig. 5B

Back to: Advanced Cardiac Life Support (ACLS) Certification Course > ACLS Basic Life Support