BLS and ALS are the two levels for prehospital medical crews. BLS, basic life support, are emergency medical technicians and quick response units. They may arrive with a fire company ambulance or as a ...

The AHA’s BLS Heartsaver CPR AED course trains participants to give CPR and use an automated external defibrillator (AED) in a safe, timely, and effective manner. Reflects science and education from ...