Respiratory Therapist: Role, Skills, and Education Path

What Respiratory Therapists Do

Respiratory therapists work everywhere breathing is at risk: intensive care, emergency departments, and surgery. They set up and manage mechanical ventilators, deliver oxygen and medication to the lungs, draw and interpret blood gases, and are core members of the team during airway emergencies and codes.

Core Skills

• Ventilator management: setting and adjusting life support.
• Airway care: intubation support and airway clearance.
• Assessment: reading blood gases and breathing mechanics.
• Emergency response: acting fast when breathing fails.

The path requires an accredited degree and licensure through the CRT and RRT credentials. It sits alongside other critical bedside roles such as the surgical technologist and radiologic technologist.

Ventilator Management and Monitoring

Respiratory therapists set up and adjust ventilators under physician orders and monitor patient response. They interpret arterial blood gas results and other data and communicate changes to the care team.

Alarms must be understood and addressed promptly.

Treatments and Patient Education

Therapists provide aerosolized medication, airway clearance and oxygen therapy. They teach patients with chronic lung disease to use inhalers and manage symptoms.

Clear instructions improve adherence.

Credentialing and Licensure

Most states require licensure, and credentials through the NBRC are common. Education is usually an associate degree or higher.

Continuing education keeps knowledge current.

Working With Critical Patients

RTs support patients in ICU, emergency and other settings. They coordinate with physicians and nurses.

Teamwork is central.

Equipment Knowledge

Ventilators, oxygen delivery devices and monitors each have settings and alarms. Know how to check and respond.

Alarms deserve attention.

Career Growth

RTs can specialize in neonatal, adult critical care or education. Advanced credentials open doors.

Continuing education is common.

What Respiratory Therapists Do

Respiratory therapists assess and treat patients with breathing and cardiopulmonary disorders, across settings from neonatal intensive care to home health.

The role includes airway management, mechanical ventilation, oxygen therapy, aerosol medication delivery, diagnostic testing and patient education.

Therapists are central members of emergency and critical care teams, frequently responding to airway emergencies and codes.

Education and Credentialing

Entry generally requires completion of an accredited program, with associate and bachelor level pathways available, followed by credentialing examinations.

State licensure is required in most jurisdictions, and requirements including continuing education vary. Candidates should confirm current requirements with the relevant board.

Additional specialty credentials exist in areas such as neonatal and pediatric care, pulmonary function testing and sleep medicine.

Core Clinical Skills

Patient assessment, including breath sounds, work of breathing, oxygenation and ventilation status, underlies every intervention.

Arterial blood gas interpretation, ventilator management and airway techniques including intubation assistance and tracheostomy care are central competencies.

Aerosol medication delivery requires understanding device selection and technique, because a correctly prescribed medication delivered poorly does not reach the lungs.

Mechanical Ventilation

Ventilator management involves selecting modes and settings, assessing patient ventilator interaction and responding to alarms with assessment rather than adjustment alone.

Lung protective strategies exist because ventilation itself can cause injury, and adherence to them affects outcomes measurably.

Weaning and liberation protocols, when applied consistently, reduce time on the ventilator and the complications that accompany it.

Work Settings and Demands

Hospital roles dominate, but therapists also work in long term care, rehabilitation, home care, sleep laboratories, physician offices and equipment supply.

The work includes nights, weekends and holidays in acute settings, and involves physical demands and exposure to infectious disease.

Emotional demands are real, particularly in critical care and end of life situations, and the profession increasingly acknowledges the need to address them.

Building and Maintaining Competence

High acuity skills are used infrequently by some therapists and must be maintained deliberately rather than through routine exposure.

Simulation is widely used for airway management, ventilator scenarios and emergency response, because those situations cannot be practiced on patients.

Institutional protocols, physician orders and scope of practice regulations govern what a therapist performs and under what conditions.

Common Mistakes and How to Avoid Them

Recurring errors include responding to a ventilator alarm by adjusting settings before assessing the patient, poor aerosol device technique, incomplete patient education before discharge and inconsistent application of weaning protocols.

Supervisors can help by making it acceptable to pause and ask. A culture where questions are treated as competence rather than weakness produces fewer errors in respiratory care.

How Employers Evaluate Readiness

Employers evaluate therapists on clinical competency assessment, protocol adherence, documentation quality, response during emergencies and patient outcome measures.

Keeping Skills Current

Evidence, devices and protocols evolve quickly, particularly in ventilation. Reviewing current institutional protocols and guidance prevents applying practice that has since been superseded.

Planning and Preparation

Preparation before an intervention includes reviewing the order and indication, assessing the patient, confirming equipment is functioning, and having emergency airway equipment available where the procedure warrants it.

Documentation That Holds Up

Documentation should record the assessment, the intervention, the patient response and any change in plan, since the trend across shifts is what guides escalation or weaning decisions.

Frequently Asked Questions