Adult Basic Life Support (BLS) Algorithm
The Adult Basic Life Support (BLS) Algorithm follows a structured approach to managing unresponsive individuals who are not breathing normally. Here’s the standard BLS sequence:
1. Ensure Scene Safety
Check if the environment is safe for you and the victim.
2. Check Responsiveness
Tap the victim’s shoulders and shout, “Are you okay?”
If unresponsive, shout for help.
3. Activate Emergency Response System
Call 911 (or appropriate emergency number).
If available, get an AED (Automated External Defibrillator).
4. Check Breathing & Pulse (Simultaneously, for ≤10 seconds)
Look for chest rise and fall (normal breathing).
Check carotid pulse (side of the neck).
If no pulse and no normal breathing, begin CPR.
5. Start High-Quality CPR (If No Pulse)
Compressions: 30 compressions at 2 inches deep, 100-120/min.
Rescue Breaths: 2 breaths after every 30 compressions.
Allow full chest recoil between compressions.
Minimize interruptions in chest compressions.
6. Use an AED as Soon as Available
Turn on the AED and follow its instructions.
Deliver a shock if advised, then resume CPR immediately.
7. Continue CPR Until:
Professional help arrives.
The victim starts breathing and has a pulse.
You are too exhausted to continue.
