BLS vs ACLS: Difference and Comparison

People will suffer from different illnesses that cause life-threatening problems. Doctors try to save the patients till the last phase. BLS and ACLS are the supportive treatments that hospitals provide for patients with cardiac and severe injuries.  

Key Takeaways

  1. BLS (Basic Life Support) is a set of first aid techniques used to stabilize a patient’s vital signs and prevent further injury or harm.
  2. ACLS (Advanced Cardiac Life Support) is a more advanced set of techniques for responding to cardiac emergencies and other life-threatening situations.
  3. First responders and medical personnel provide BLS with basic training, while ACLS requires additional training and certification.


BLS does not require as advanced knowledge and expertise as ACLS to perform correctly. Some BLS training is required to receive ACLS training. ACLS certification builds on the foundational skills taught in BLS. BLS is for lifeguards, babysitters, etc, while ACLS is for doctors and nurses.


BLS is a supportive treatment that helps the patients to recover until providing the entire treatment. The abbreviation of the BLS is Basic Life Support. The BLS treatment helps as first aid treatment. This medical care will provide by the nurses to treat the patients at an early stage.

In Contrast, ACLS is a medical care treatment that provides the entire treatment to the patients. The expanded name of the ACLS is Advanced Cardiac Life Support.

ACLS treatment provides by doctors for cardiac attacks, strokes, myocardial infarction and some other life-threatening problems. This treatment will handle by the doctors, and nurses will not permit this type of treatment. 

Comparison Table

Parameters of Comparison BLS ACLS 
Meaning   BLS is a supportive treatment given for life-threatening injuries at an early stage. ACLS is a medical care provider for urgent cases like cardiac attacks, strokes, life-threatening injuries, etc. 
Abbreviation   BLS expand as Basic Life Support. ACLS stands for Advanced Cardiac Life Support.  
Treatment   BLS provides for the patients at an early stage until the entire treatment will provide later. ACLS treatment helps for urgent cases in cardiac-related problems. 
Permission Nurses can treat the patient by giving early first aid for life-threatening injuries. Only qualified doctors handle these types of cases, where nurses won’t permit to do. 
Uses The patient will be safe by giving the early-stage treatment by nurses or doctors. The early stage cannot stand for a long time where urgent operations will provide by the doctors. 

What is BLS?

BLS is a supportive treatment provided for injured patients. The patients used to recover with the BLS treatment until the entire treatment took place. The abbreviation of the BLS is Basic Life Support. The BLS treatment helps as first aid treatment.

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This medical care will provide by the nurses to treat the patients at an early stage. Life-threatening illnesses and injuries need the first phase of treatment for patients before furnishing the entire treatment.

This medical care treatment will take place in hospitals, where the BLS medical care is treated by medical technicians, trained medical personnel and qualified bystanders. The BLS is a general form that provides a different form of CPR that will handle by nurses.   

BLS training is different from CPR training, where BLS treatment will provide in-depth and complex cases by engaging with professional rescuers in the medical department. The actual steps for CPR and ECC had changed in BLS treatment, such as C-A-B. This C-A-B represents Chest Compressions, Airway, and Breathing.

The BLS treatment is mainly helpful for adults, children who are suffering from serious injuries. The BLS treatment helps to treat first responders and health providers attacked by cardiac strokes and respiratory problems. There are 4 basic steps in Basic Life Support treatment that help the patients to recover. They are,   

  • Initial Assessment   
  • Airway maintenance  
  • Expired Air Ventilation  
  • Chest Compression.  

Expired Air Ventilation refers to the rescue breathing that helps a person recover. Mouth-to-mouth breathing helps to retrieve the patient, and it is the first aid treatment in the medical field.

The people consist of BLS certification, where they learn the primary treatments that help the patients recover until they can be shifted to the hospital.  


What is ACLS?  

ACLS is supportive medical care provided by the doctors in the hospital. The name ACLS stands for Advanced Cardiac Life Support. The name ACLS describes the treatment, and ACLS refers to Advanced Cardiovascular Life Support.

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ACLS treatment provides by doctors for cardiac attacks, strokes, myocardial infarction and some other life-threatening problems. The ACLS medical care will provide for urgent cases.

This treatment will handle by the doctors, and nurses will not permit this type of treatment. ACLS refers to the set of clinical methods that provide for urgent cases in the cardiac medical section.

ACLS medical care furnishes treatment for severe cardiac attack, stroke, myocardial infarctions and some other severe injuries. The ACLS provide the treatment for cardiovascular emergency cases.

The doctor should have ACLS certification to provide treatment for injured patients. To get the ACLS certificate, the doctor should pass the 10-study tests. The one who progresses in the 10-study assessments will qualify to get the certificate.

The 10 tests will provide in the reference section. The Advanced Cardiac Life Support (ACLS) certificate will be justifiable for 2 years. For every two years, an individual has to renewable the certificate online. The medications that use in ACLS medical treatment are,  

  • Amiodarone  
  • Adenosine  
  • Dopamine  
  • Atropine  
  • Oxygen  
  • Magnesium Sulfate  
  • Vasopressin  
  • Lidocaine  
  • Epinephrine  

The Adults suffering from severe illness will provide the ACLS treatment by RNs available in the hospital. To qualify for the ACLS certification, an individual should have a BLS certificate primarily.  


Main Differences Between BLS and ACLS  

  1. BLS treatment provides primarily for patients suffering from Cardiac attacks, whereas ACLS is a treatment provider for urgent cases in the cardiac section.  
  2. BLS expanded as Basic Life Support, whereas ACLS stands for Advanced Cardiac Life Support.  
  3. BLS certification will get primarily, whereas ACLS certificate will approve the people who have BLS certificate.  
  4. BLS has 4 steps that help the patient, whereas ACLS has some medications that help in urgent surgeries.  
  5. Nurses and qualified medical personnel’s give BLS treatment for patients where certified doctors allow to treat the patients.  
Difference Between BLS and ACLS

Last Updated : 06 August, 2023

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22 thoughts on “BLS vs ACLS: Difference and Comparison”

  1. The differentiation between BLS and ACLS is expertly explained, and the comparison table effectively summarizes their key distinctions. The emphasis on qualified personnel and early intervention highlights their critical importance.

    • I concur, Wgray. The article’s emphasis on the significance of early intervention and the role of trained professionals is valuable in understanding the importance of BLS and ACLS treatments.

    • The article’s clarity in highlighting the specific requirements and applications of BLS and ACLS is commendable. It provides a comprehensive understanding of these life-saving interventions.

  2. The article delivers in-depth insights into the roles and applications of BLS and ACLS, shedding light on their importance in mitigating life-threatening emergencies. The information provided is invaluable.

  3. I appreciate the comprehensive explanation of BLS and ACLS and their respective applications in dealing with life-threatening medical emergencies. The comparison table is particularly helpful.

  4. The thorough explanation of BLS and ACLS, including their application and differentiation, offers valuable insights into their significance in life-threatening situations. The article effectively communicates the critical roles of both treatments.

    • I couldn’t agree more, Mohammed. The detailed explanation of BLS and ACLS provides clarity and understanding of their roles in saving lives.

    • Absolutely, Mohammed. The article’s comprehensive overview of BLS and ACLS serves as an educational resource for understanding the importance of these emergency medical interventions.

  5. The comparison between BLS and ACLS is well-articulated and provides a clear understanding of their applications and requirements. The importance of early response and qualified personnel is highlighted effectively.

    • I couldn’t have said it better, Hunter. The emphasis on early response and professional qualifications is crucial for saving lives in emergency situations.

  6. The article’s comprehensive explanation of BLS and ACLS highlights their significance in treating life-threatening medical conditions. The differentiation and application of these treatments are effectively communicated.

    • I completely agree, Rose. The detailed insights into BLS and ACLS are informative and valuable for understanding their critical importance in emergency medical care.

  7. The detailed information about BLS and ACLS is enlightening, particularly regarding the specific treatments provided by each intervention. The distinction between the two is clarified effectively.

    • I agree, Smith. The article’s insight into the specific scenarios where BLS and ACLS are utilized adds valuable context to the discussion.

  8. The article provides a comprehensive overview of BLS and ACLS. It explains how both treatments are essential for saving lives until complete treatment. The comparison table is helpful for those unfamiliar with medical terminology.

  9. The clear differentiation between BLS and ACLS provided in the article is extremely helpful for understanding the roles and applications of each treatment. Both are vital for emergency medical care.

    • I couldn’t agree more, Jessica. This article’s detailed insights on BLS and ACLS make it easy for anyone to understand their significance.

  10. Thank you for providing such detailed information on BLS and ACLS. It’s crucial for distinguishing between the two and understanding their applications in different medical scenarios.

    • This article is an excellent resource for explaining the differentiation and application of BLS and ACLS. I appreciate the depth of explanation offered.


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