CPR vs. BLS: Key Differences and When to Use Each Technique

Cardiopulmonary Resuscitation (CPR) and Basic Life Support (BLS) are two crucial life-saving techniques used during emergencies. These certifications equip individuals with the knowledge and skills needed to respond effectively in life-threatening situations. CPR and BLS are closely related but not the same. They share common elements but have distinct differences. In this comprehensive article, we will explore the differences between BLS and CPR certification, their respective training programs, and the importance of each in various healthcare and non-healthcare settings.


While both CPR and BLS share the common goal of providing assistance to individuals experiencing cardiac or respiratory distress, they differ in several key aspects. Here are the differences Between CPR and BLS Certification

  • Target Audience: CPR certification is designed for laypersons and individuals in non-healthcare professions, while BLS certification is geared towards healthcare professionals and those working in medical settings.
  • Depth of Training: CPR certification focuses on basic CPR techniques, AED use, and general first aid. BLS includes CPR for adult child, and infant, airway management, and team dynamics.
  • Certification Requirements: CPR certification often requires renewal every 2 years, while BLS certification typically requires renewal every 1 to 2 years, with more frequent updates for healthcare professionals.
  • Application: CPR is applicable in various non-medical scenarios, such as public places, schools, and sports events, while BLS is primarily used in healthcare settings like hospitals, clinics, and ambulance services.

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Target Audience

CPR certification is primarily designed for laypersons and individuals who are not engaged in healthcare professions. Its curriculum is tailored to equip people from various walks of life with the knowledge and skills to respond effectively in emergency situations. CPR training aims to empower individuals who find themselves in everyday settings, such as a bystander at a shopping mall, a teacher in a classroom, or a coach on a sports field, to perform life-saving actions when needed.

In contrast, BLS certification is specifically geared toward healthcare professionals and those working in medical settings. This certification recognizes that healthcare workers often encounter more complex medical emergencies and require a higher level of proficiency in resuscitation techniques. The BLS training curriculum is tailored to prepare these individuals for a broader spectrum of scenarios commonly encountered in clinical environments, such as hospitals, clinics, and ambulance services.


Depth of Training

CPR certification focuses on imparting fundamental life-saving techniques. These include the correct method for chest compressions, how to administer rescue breaths, and the proper use of an Automated External Defibrillator (AED). While these skills are invaluable, the training is geared towards providing basic and immediate assistance during a cardiac arrest or choking incident. CPR courses also typically cover general first aid principles to address various non-life-threatening injuries and medical issues. This comprehensive approach aligns with the standards set by organizations such as the American Heart Association (AHA), ensuring that participants are certified in CPR according to industry best practices.

BLS certification, on the other hand, delves much deeper into the realm of resuscitation. It provides healthcare professionals with a comprehensive understanding of advanced CPR techniques, advanced airway management, and the dynamics of working effectively within a medical team during resuscitation efforts. BLS courses equip participants to handle more complex cases, such as cardiac arrests in clinical settings, where immediate and proficient care is critical to patient outcomes. The depth of training in BLS classes reflects the heightened responsibility and advanced medical knowledge required in healthcare professions.


Certification Requirements

CPR certification typically remains valid for a period of about two years. After this time, individuals must renew their certification to ensure that they remain up-to-date with the latest techniques and guidelines for administering CPR. This renewal cycle is suitable for laypersons and non-healthcare professionals who don't frequently encounter emergency situations.

BLS certification usually has a shorter renewal cycle, typically every one to two years. Additionally, healthcare professionals often undergo more frequent updates and retraining to maintain their proficiency. The shorter renewal intervals for BLS certification reflect the need for healthcare providers to stay current with the rapidly evolving field of resuscitation and medical guidelines. This ensures that they deliver the highest standard of care to patients.



CPR certification has a broad range of applications outside of medical settings. It is applicable in various non-medical scenarios, making it highly valuable for individuals who want to be prepared to respond to emergencies in everyday life. Laypersons with CPR certification makes a difference in emergencies that occur in public places, schools, fitness centers, and sports events.

BLS certification, conversely, is primarily used in healthcare settings. Healthcare professionals who hold BLS certification are equipped to provide advanced life support measures in hospitals, clinics, and ambulance services. Their training prepares them to handle critical situations where the required care level is higher than what is typically expected in non-medical environments. BLS-certified individuals are integral to the medical response team and contribute significantly to patient outcomes in clinical settings.

Who typically administers BLS?

BLS is typically administered by healthcare professionals trained in basic life support techniques. This includes doctors, nurses, paramedics, emergency medical technicians (EMTs), and other healthcare providers who work in medical settings such as hospitals, clinics, and ambulance services.

Why is early recognition and initiation of BLS important in emergency situations?

Early recognition and initiation of BLS are crucial because they significantly increase the chances of survival for individuals experiencing cardiac or respiratory emergencies. Prompt initiation of BLS helps maintain blood flow and oxygenation to vital organs until advanced medical help arrives, improving the likelihood of a positive outcome.

How does the BLS protocol vary for adults, children, and infants?

The BLS protocol varies for adults, children, and infants in terms of the technique used for chest compressions, the depth and rate of compressions, and the method of providing ventilation. For example, the compression-to-ventilation ratio differs between age groups, with specific considerations for the size and anatomy of each group.

What equipment is commonly used during BLS procedures?

Common equipment used during BLS procedures includes an automated external defibrillator (AED) for delivering electrical shocks to restore normal heart rhythm in cases of cardiac arrest, pocket masks or barrier devices for providing rescue breaths, and bag-valve-mask (BVM) devices for assisted ventilation.

In what situations would you prioritize BLS over CPR, and vice versa?

BLS is typically prioritized in healthcare settings where advanced medical care is readily available, as it includes additional techniques such as airway management and team dynamics training. CPR, on the other hand, is prioritized in non-healthcare settings where immediate assistance is needed, and advanced medical care may not be readily available.

What is the role of BLS in the chain of survival compared to CPR?

BLS is a crucial component of the chain of survival, which consists of a series of actions aimed at improving the chances of survival for individuals experiencing cardiac arrest. BLS focuses on early recognition, early CPR, early defibrillation, and advanced medical care. CPR is one of the key components of BLS and plays a vital role in maintaining blood flow and oxygenation until advanced medical help arrives.

What are the potential complications or risks associated with both BLS and CPR?

Potential complications or risks associated with BLS and CPR includes rib fractures, damage to internal organs, and the risk of transmission of infectious diseases if proper infection control measures are not followed. Additionally, there is a risk of causing harm if the techniques are not performed correctly.

Are there specific populations or medical conditions where one approach is preferred over the other?

BLS is generally preferred in healthcare settings where healthcare professionals are available to provide advanced medical care. CPR is preferred in non-healthcare settings where immediate assistance is needed, and advanced medical care may not be readily available.

What are the key updates or changes in guidelines for BLS and CPR over the years, and how do they influence practice?

Key updates or changes in guidelines for BLS and CPR includes updates in compression-to-ventilation ratios, changes in techniques or algorithms based on new research or evidence, and advancements in equipment and technology. These updates influence practice by ensuring that healthcare providers are trained according to the most current standards and best practices.

What is CPR Certification?

CPR, or Cardiopulmonary Resuscitation, is a life-saving technique used to revive an individual who has suffered cardiac arrest or stopped breathing. CPR involves a combination of chest compressions and rescue breaths, with the goal of maintaining blood flow and oxygenation to vital organs until advanced medical help arrives. CPR certification courses typically cover the following topics:

  1. Chest Compressions: Learning the correct technique, depth, and rate of chest compressions is crucial for effective CPR.
  2. Rescue Breaths: Understanding how to administer rescue breaths and ensuring proper ventilation during CPR.
  3. AED (Automated External Defibrillator) Use: Training on operating an AED, which restores a regular heart rhythm in certain cases of cardiac arrest.
  4. Choking Response: Techniques to assist choking victims, including the Heimlich maneuver.
  5. First Aid Skills: Basic first aid principles, such as wound care and recognizing the signs of a heart attack or stroke.
  6. Legal and Ethical Considerations: Understanding legal protection and ethical obligations when providing CPR.


CPR certification is typically required for individuals in various non-healthcare professions, such as teachers, childcare providers, and lifeguards. It is also recommended for anyone interested in being prepared to respond to cardiac emergencies in everyday life.


What is BLS Certification?

Basic Life Support (BLS) certification is a more advanced training program than CPR certification. BLS is primarily designed for healthcare professionals, including doctors, nurses, paramedics, and first responders. BLS focuses on a higher level of care and provides training on responding to cardiac and respiratory emergencies in both adult and pediatric patients. BLS courses cover the following topics:

  1. CPR for Healthcare Providers: Detailed training in chest compressions, rescue breaths, and advanced airway management techniques.
  2. Team Dynamics: Emphasizing effective communication and coordination within a healthcare team during resuscitation efforts.
  3. Use of Bag-Valve-Mask (BVM) Devices: Instruction on how to provide assisted ventilation using a BVM device.
  4. Pediatric BLS: Specialized training for healthcare providers on performing CPR and resuscitation on infants and children.
  5. Automated External Defibrillator (AED) Use: Refining AED operation skills for healthcare settings.


Importance of CPR and BLS Certification

Both CPR and E-learning Basic Life Support certification play a vital role in improving survival rates during cardiac and respiratory emergencies. CPR certification equips individuals with essential life-saving skills that is used in everyday situations, while BLS certification is critical for healthcare professionals to provide advanced care. Here's why they are essential:

  • Increased Survival Rates: Prompt and effective CPR and BLS double or triple the chances of survival for cardiac arrest victims.
  • Immediate Response: Certified individuals responds quickly in emergencies, reducing the time between the onset of an incident and the administration of life-saving care.
  • Professional Competence: Healthcare providers with BLS certification are better prepared to handle complex resuscitation scenarios in clinical settings.
  • Legal and Ethical Responsibility: Having CPR and BLS certification demonstrates a commitment to the well-being of others and fulfills legal and ethical obligations to provide assistance during emergencies.


To perform CPR or BLS safely and efficiently, it is important to take classes to get a certification. Therefore, a CPR certification will be an excellent first step to getting your Basic Life Support certification. A BLS certification includes CPR training, but it is more difficult and intensive.

What is the Difference Between BLS and BCLS Certification?

Essentially, both BLS and BCLS certifications cover the same fundamental life-saving skills. The only variation lies in the terminology, which differs depending on the training provider. At CPR Select, the BLS certification is tailored for healthcare providers, while the BCLS certification course is aimed at non-healthcare individuals. Despite the title discrepancy, both courses offer training in high-quality CPR techniques, AED usage, and the provision of aid for choking incidents. So, whether it's labeled as BLS or BCLS, the core curriculum remains consistent, with the distinction primarily reflecting the intended audience rather than the content itself. The courses cater to individuals in various settings, ranging from the healthcare field to non-healthcare professions.

Get Certified Now

Despite the differences, CPR and BLS are both valuable skills to learn. However, not many of us have time to attend classes. Online CPR certification and online BLS certification are great alternatives for those who lead busy lifestyles.

Online CPR certification will allow you to learn life saving techniques at your own pace and at the location of your choice. Because the material is online, it is reviewed as needed. It is a great way to learn these valuable skills while working around your hectic schedule.

Find the coupon code for CPR Select on our coupon page, which is regularly updated for the best value. Our course is more advantageous than other online certification providers, such as CPR Heart Center, National CPR Foundation, and American AED CPR Association.