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Respiratory Therapist Job Description

The job duties of a respiratory therapist will vary depending on the level of supervision, type of healthcare facility, and the respiratory care services provided by the facility they work for. Still, the general job description for virtually all respiratory therapists is quite similar.

Respiratory therapists have the same, major job duty: to assist patients who suffer from cardiopulmonary problems, such as infections and chronic diseases. Their work is always performed under the direct supervision of a physician, and their responsibilities always encompass evaluating, diagnosing, and treating disorders that affect breathing.

Respiratory therapists perform diagnostic cardiopulmonary evaluations and respiration therapy treatments designed to treat patients with deficiencies and dysfunctions of the cardiopulmonary system. Cardiopulmonary evaluation involves acquiring, analyzing, and interpreting data that is obtained from diagnostic tests and specimens.

Jobs for respiratory therapists, although largely found in critical care hospitals, may be located in a number of healthcare settings, such as skilled nursing homes, surgical hospitals, outpatient care centers, rehabilitation centers, sleep disorder clinics, and patient transport systems (e.g., ambulance and life flight services). As such, job duties differ according to facility.

For example, respiratory therapists in acute-care settings are responsible for operating and maintaining acute care ventilators for both short- and long-term mechanical ventilation of adults, pediatrics, and neonates, while respiratory therapists in skilled nursing homes are often responsible for administering oxygen therapy and aerosol therapy, airway maintenance, and tracheal suctioning.

Because respiratory therapists treat patients of all ages, respiratory therapy jobs are often found in every setting, from a neonatal intensive care unit to a nursing home.

Basic job duties and responsibilities of a respiratory therapist include:

Conducting and monitoring prescribed therapeutic and diagnostic procedures

Maintaining artificial and natural airways

Performing pulmonary function testing

Performing hemodynamic monitoring and other physiologic monitoring

Documenting information to a patient’s medical record/maintaining accurate and complete records

Communicating assessments and updates with members of the healthcare team

Assembling, maintaining, and calibrating respiratory therapy equipment

Identifying and remedying respiratory care equipment malfunctions

Communicating with patients and patient families

Educating patients on disease prevention and lung health

Educating patients on the use of inhalers and inhalation devices

Performing testing to assist in diagnosis, treatment, and research

Job descriptions often detail the methods and procedures candidates must be skilled in, such as:

  • Application and monitoring of medical gases
  • Environmental control systems
  • Humidification systems
  • Aerosols
  • Inhaled medications
  • Ventilator support
  • Bronchopulmonary drainage/hygiene
  • Pulmonary rehabilitation
  • Postural drainage
  • Cardiopulmonary resuscitation
  • Airway management
  • Intubation/tracheotomy
  • In addition to basic job responsibilities and duties, many employers seek candidates who possess the following:
  • Strong communication skills
  • Responsible and trustworthy demeanor
  • Excellent social skills
  • Ability to work with well with a medical team and under the direct supervision of a physician

Respiratory Therapist Job Qualifications

In all 49 states that license respiratory therapists, a current and valid state license is required to legally practice respiratory therapy.

National Board for Respiratory Care (NBRC) certification is used as the standard for state licensure. Although the Certified Respiratory Therapist (CRT) credential is required for licensure in virtually all states that require licensure, many employers require job candidates to possess the Registered Respiratory Therapist (RRT) credential, an NBRC credential that demonstrates advanced skills in respiratory care. As of January of 2015, the RRT became the base requirement for licensure in Ohio and California, with other states likely to implement the same requirement in coming years.

Further, many employers look for respiratory therapists who possess specialty certification through the NBRC, such as:

  • Sleep Disorders Testing and Therapeutic Intervention Respiratory Care Specialist (SDS)
  • Registered Pulmonary Function Technologist (RPFT)
  • Neonatal/Pediatric Respiratory Care Specialist (NPS)
  • Certified Pulmonary Function Technologist (CPFT)
  • Adult Critical Care Specialty (ACCS)
  • Other required certifications for respiratory therapist jobs often include:
  • ACLS: Advanced Cardiovascular Life Support
  • BLS/CPR: Basic Life Support CPR course for CPR victims of all ages
  • NRP: Neonatal Resuscitation Program
  • PALS: Pediatric Advanced Life Support
  • Many employers also seek candidates for respiratory therapist jobs who are members of the American Association for Respiratory Care (AARC) and/or the state counterpart.

Clinical Simulation Examination (CSE)

The examinations for the RRT credential objectively and uniformly measure essential knowledge, skills and abilities required of advanced respiratory therapists. The NBRC evaluates the competency of respiratory therapists and ensures that graduates of accredited respiratory care education programs have every opportunity to earn the RRT credential. It is in high demand nationwide, and we work diligently to help to fill the shortage of qualified respiratory therapists in the field.


The first examination for earning the RRT is the Therapist Multiple-Choice (TMC) Examination (prior to January 2015, it was known as the Written Registry Examination). The TMC Examination evaluates the abilities required of respiratory therapists at entry into practice and determines eligibility for the Clinical Simulation Examination (CSE). The CRT and/or RRT credentials are used as the basis for the licensure in all 49 states that regulate the practice of respiratory care.

Pass The TMC

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