BLS vs. CPR: What's the Difference and Which Do You Need?

BLS and CPR are not the same thing, even though both teach you how to perform chest compressions and use an AED. The difference comes down to who the course is designed for, what it covers, and what employers and licensing boards will accept.

BLS stands for Basic Life Support. It is designed for healthcare professionals and covers advanced concepts like multi-rescuer team dynamics, bag-mask ventilation, and high-performance CPR. CPR/AED, marketed by the AHA as "Heartsaver," is designed for the general public and focuses on the essential skills needed to respond to a cardiac arrest, choking emergency, or other life-threatening situation.

Choosing the right one depends on your profession, your employer's requirements, and your personal goals.

View pricing and schedules for both BLS and Heartsaver CPR/AED classes.

What BLS Covers That CPR Does Not

BLS (Basic Life Support) for Healthcare Providers includes everything in a standard CPR course, plus several additional components designed for clinical environments:

Multi-rescuer CPR scenarios: You will practice performing CPR as part of a team, rotating compressor and airway management roles every two minutes. This mirrors real clinical situations where multiple providers respond to a code.

Bag-mask ventilation: BLS teaches the use of a bag-valve-mask (BVM) device for delivering ventilations, including proper mask seal technique and the two-person BVM approach.

Team dynamics and communication: BLS emphasizes closed-loop communication, role assignment, and coordinated response, all skills required in hospital and clinical settings.

Advanced airway management: Basic techniques for maintaining an open airway using oral and nasal airways are covered.

Opioid-associated emergency response: The 2025 guidelines integrated naloxone administration into the BLS algorithm.

The BLS written exam requires an 84% passing score. The course runs approximately 3.5 to 4.5 hours and results in an AHA BLS Provider eCard valid for two years.

What Heartsaver CPR/AED Covers

The Heartsaver CPR/AED course is the AHA's certification for non-healthcare providers. It teaches:

Adult, child, and infant CPR: Single-rescuer CPR using the 30:2 compression-to-breath ratio, along with hands-only CPR as an alternative.

AED use: How to operate an automated external defibrillator, attach pads, and follow voice prompts.

Choking relief: The updated 2025 protocol including back blows for adults, children, and infants.

The Heartsaver First Aid CPR AED course adds first aid skills covering bleeding control, burns, allergic reactions, and other common emergencies. The CPR-only version runs about 2 to 3 hours. The combined First Aid CPR AED version runs about 4 hours.

Both result in an AHA eCard valid for two years.

Who Needs BLS vs. Heartsaver

You need BLS if you are:
- A nurse (RN, LPN, LVN)
- A physician or physician assistant
- An EMT or paramedic
- A dentist or dental hygienist
- A pharmacist
- A CNA or medical assistant
- A respiratory therapist
- A lifeguard (many employers require BLS)
- A nursing or medical student
- Required by your employer or licensing board to hold "BLS for Healthcare Providers"

Heartsaver CPR/AED is appropriate if you are:
- A teacher, coach, or school administrator
- A childcare or daycare worker
- A construction worker or tradesperson
- A personal trainer or gym employee
- A corporate or office employee
- A babysitter or nanny
- A parent wanting to learn CPR for family safety
- Anyone not in a healthcare role

Check out our full breakdown of every type of CPR class available.

Cost and Duration Comparison

The HeartCode BLS blended option adds flexibility: complete the cognitive portion online at your own pace, then attend a shorter in-person skills session. Both formats produce the identical AHA BLS Provider eCard.

Compare HeartCode BLS with traditional classroom BLS.

The Employer Acceptance Question

In healthcare, BLS is the non-negotiable standard. Hospitals, clinics, dental offices, EMS agencies, and nursing schools almost universally require AHA BLS for Healthcare Providers. A Heartsaver card will not be accepted in place of BLS for clinical positions.

For non-healthcare employers, Heartsaver CPR/AED is broadly accepted. OSHA requires hands-on CPR training from a recognized provider (AHA, Red Cross, or equivalent) but does not specify BLS-level training for non-healthcare workers.

Some employers accept certifications from any recognized provider. Others specifically require AHA. When in doubt, ask your employer which specific certification they require before enrolling.

Find out whether online CPR certifications are actually accepted by employers.

Which Should You Choose?

If your job is in healthcare or if your employer specifically requires BLS, take BLS. There is no shortcut or substitute.

If you are not in healthcare and want practical CPR skills for workplace compliance, family safety, or personal preparedness, Heartsaver CPR/AED gives you everything you need.

If you are unsure, contact us at 303-918-8077 or email info@cpr-professionals.com. We will help you determine the right course based on your employer's requirements.

CPR-Professionals offers both BLS and Heartsaver classes at our Denver and Boulder locations with small class sizes and AHA-certified instructors.

Find the Right CPR Class for You - View Schedule and Pricing