BLS is BS: Lifesaving is a Spectrum of Care

The once-clear boundary between advanced life support (ALS) and basic life support (BLS) has become increasingly difficult to define—so much so that many EMS providers are beginning to question whether the line was ever all that useful. Modern practice now expects clinicians at every level to understand complex resuscitation strategies, advanced airway techniques, and medication administration, expanding far beyond the traditional “BLS does this, ALS does that” playbook. Airway management now spans everything from nasal cannulas to endotracheal intubation, and high-acuity procedures such as needle and finger thoracostomy—and, on particularly memorable days, even clamshell thoracotomy—are showing up in the prehospital setting. Vascular access, electrical therapy, and point-of-care testing similarly blur historic role divisions, creating a landscape where the scope of practice looks less like a ladder and more like a Venn diagram no one agreed on. This evolution raises a critical and somewhat overdue question: who should be performing these life-saving interventions? Defining scope and responsibility with intention is essential—not just for regulatory clarity, but for ensuring safe, effective, and consistently high-quality patient care in the field.