BLS vs ACLS vs PALS: Which Do You Need?

Almost every nurse needs BLS (Basic Life Support). ACLS (Advanced Cardiovascular Life Support) is added for nurses who care for adults in high-acuity areas like the ICU, ER, telemetry and step-down, and PALS (Pediatric Advanced Life Support) is for nurses who care for acutely ill infants and children. Your employer decides which ones you need, so the job post or unit policy is the final word.

The short version

BLS: the baseline for everyone

BLS covers what any rescuer needs in the first minutes of a cardiac arrest: recognizing arrest, high-quality chest compressions, using an AED, ventilating with a pocket mask or bag-mask device, and relieving choking in adults, children and infants. The healthcare provider version also covers two-rescuer CPR and working as part of a team.

Hospitals, clinics, schools, home health agencies and long-term care facilities commonly require it, and nursing students usually need it before clinicals. If you only hold one card, this is the one.

ACLS: for adult acute care

ACLS builds on BLS. It teaches the adult cardiac arrest algorithm, recognition and treatment of rhythms such as ventricular fibrillation, pulseless electrical activity, bradycardias and tachycardias, the medications used in those algorithms, airway management, post-cardiac arrest care, and early recognition of acute coronary syndromes and stroke. It also spends real time on team dynamics: closed-loop communication, clear roles, and a team leader who keeps the room organized.

You will usually need ACLS for the ICU, ER, telemetry, step-down, PACU, cath lab and procedural areas where patients receive sedation. Some med-surg units and rapid response roles ask for it too. Some employers give new hires a set window after their start date to complete it, so check your offer letter.

If you want to refresh rhythms and algorithms before class, NurseTide's ACLS essentials learning path is a good warm-up, and this post on how ACLS fits into your nursing career covers the career side.

PALS: for pediatric acute care

PALS applies the same structured thinking to infants and children, whose cardiac arrests are more often the end result of respiratory failure or shock than of a primary heart problem. That is why the course puts so much weight on catching trouble early. It covers a systematic pediatric assessment, recognizing and managing respiratory distress and failure, recognizing and managing shock, pediatric rhythm disturbances, resuscitation, and post-arrest care.

PICU, pediatric floors and pediatric ERs commonly require it, and many general ERs that see children do as well. Transport teams often ask for it too.

For newborns at birth, the relevant course is NRP rather than PALS. L&D, NICU and nursery nurses should read NRP certification for L&D and NICU nurses.

Who offers these courses

The American Heart Association (AHA) develops the most widely recognized BLS, ACLS and PALS courses, and many hospitals ask for AHA cards specifically. Other organizations, such as the American Red Cross, also offer resuscitation courses. Before you pay for a class, confirm that your employer or school accepts that provider.

Be wary of courses that are entirely online with no hands-on skills check. Many employers do not accept them. AHA's blended format, with online coursework followed by an in-person skills session, includes the hands-on test, which is why employers tend to accept it. Still confirm before you book.

Renewal and cost

AHA provider cards are generally valid for two years, and employers expect you to renew before the card lapses. Renewal courses are usually shorter than the initial course. Fees vary by training center and format, so check with the center. Many hospitals run classes for staff or reimburse the fee, so ask your educator before you pay out of pocket.

Track your expiration dates. Depending on your employer's policy, a lapsed card can keep you off the schedule until you renew.

How to decide which ones you need

1. Read the job post. Required certifications are usually listed, sometimes with a deadline after hire.
2. Ask the manager or educator. Find out whether the unit wants AHA specifically and how long you have after your start date.
3. Think about your next move. If you work med-surg and want the ICU, getting ACLS early shows intent and saves time later. If you are heading toward pediatrics, PALS sends the same signal.
4. Check travel and float requirements. Agencies and float pools often ask for every certification relevant to the units you might cover.
5. Plan the add-ons. ER nurses often add trauma training once they have the basics; see TNCC certification for ER nurses.

Job listings are a quick way to see what employers near you expect. Browse ICU nurse jobs or ER nurse jobs and note which certifications appear in the requirements. If you are a new grad deciding what to get first, ask in the new grad nurses group what local hospitals require.

A few practical tips for class day

• Review the algorithms before you arrive. Courses move quickly, and the skills test assumes you know the sequence.
• Practice compressions on a manikin if your hospital has a skills lab. Depth, rate and full recoil are what instructors watch.
• In megacode or team scenarios, speak out loud. Calling out what you see and confirming orders is part of what is being tested.
• Keep a digital copy of every card where you can find it quickly for onboarding and credentialing.

Next step

Find out which cards your next role requires, then book the class. Check registered nurse jobs to see which certifications employers list for the positions you want.

General information for nurses, not medical, legal, tax or financial advice. Follow your facility's policies, your state board of nursing and the terms of your employer or contract.