BLS Equipment

What Is BLS Equipment?

BLS (Basic Life Support) equipment is the core set of tools EMTs and first responders use to manage airway, breathing, and circulation emergencies without invasive or pharmacological interventions. The essentials include an automated external defibrillator (AED) for shockable cardiac arrest rhythms, a bag-valve mask (BVM) for manual ventilation, oxygen tanks and delivery devices (nasal cannula, non-rebreather mask), basic airway adjuncts (oropharyngeal and nasopharyngeal airways), suction devices, a blood pressure cuff and stethoscope, pulse oximeter, and trauma supplies like dressings, splints, and a backboard or other spinal motion restriction device. This equipment forms the standard loadout on a first-due fire apparatus and BLS ambulance, and is what allows first-arriving crews to begin life-saving care before an ALS unit or paramedic arrives.

Why BLS Equipment Matters on the Fireground

Most fire departments run BLS-level medical calls far more often than ALS-level ones, and the outcome of a cardiac arrest or airway emergency often hinges on how fast and correctly BLS equipment is used in the first few minutes — early defibrillation with an AED, for example, dramatically improves survival odds for shockable rhythms. Every firefighter, regardless of EMS certification level, needs to know where BLS equipment is stored on the apparatus and how to use it correctly under pressure.

Relevant NFPA Standards

• NFPA 455: Standard for Emergency Medical Services (EMS)
• NREMT Standards: National Registry of Emergency Medical Technicians EMT Practice Standards

Field Procedures & Tactical Steps

1. Inspect and inventory BLS equipment at the start of each shift, checking oxygen cylinder pressure, AED battery and pad expiration, and completeness of trauma supplies.
2. Don appropriate PPE and BSI precautions before initiating patient contact.
3. Apply the AED immediately for a suspected cardiac arrest, following its prompts for rhythm analysis and shock delivery while continuing high-quality CPR.
4. Select the correct oxygen delivery method and airway adjunct based on the patient's level of consciousness and respiratory status.
5. Restock and restore all used BLS equipment to ready status immediately after the call, and note any equipment issues for maintenance.

Common Context & Application

Carried on every first-due engine, truck, and BLS ambulance, and used on the vast majority of EMS calls a fire department responds to, from cardiac arrest and respiratory distress to trauma and general medical emergencies, often before an ALS unit arrives.

Frequently Asked Questions about BLS Equipment