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Industries & Professions /
Respiratory Therapists and Technicians
Respiratory therapists and technicians treat patients with various cardiorespiratory problems. They may provide care that affords temporary relief from chronic illnesses such as asthma or emphysema, or they may administer life-support treatment to victims of heart failure, stroke, drowning, or shock. These specialists often mean the difference between life and death in cases involving acute respiratory conditions, as may result from head injuries or drug poisoning. Adults who stop breathing for longer than three to five minutes rarely survive without serious brain damage, and an absence of respiratory activity for more than nine minutes almost always results in death. Respiratory therapists carry out their duties under a physician's direction and supervision. Technicians typically work under the supervision of a respiratory therapist and physician, following specific instructions. Therapists and technicians set up and operate special devices to treat patients who need temporary or emergency relief from breathing difficulties. The equipment may include respirators, positive-pressure breathing machines, or environmental control systems. Aerosol inhalants are administered to confine medication to the lungs. Respiratory therapists often treat patients who have undergone surgery because anesthesia depresses normal respiration, thus the patients need some support to restore their full breathing capability and to prevent respiratory illnesses.
In evaluating patients, therapists test the capacity of the lungs and analyze the oxygen and carbon dioxide concentration and potential of hydrogen (pH), a measure of the acidity or alkalinity level of the blood. To measure lung capacity, therapists have patients breathe into an instrument that measures the volume and flow of air during inhalation and exhalation. By comparing the reading with the norm for the patient's age, height, weight, and gender, respiratory therapists can determine whether lung deficiencies exist. To analyze oxygen, carbon dioxide, and pH levels, therapists draw an arterial blood sample, place it in a blood gas analyzer, and relay the results to a physician.
Respiratory therapists watch equipment gauges and maintain prescribed volumes of oxygen or other inhalants. Besides monitoring the equipment to be sure it is operating properly, they observe the patient's physiological response to the therapy and consult with physicians in case of any adverse reactions. They also record pertinent identification and therapy information on each patient's chart and keep records of the cost of materials and the charges to the patients.
Therapists instruct patients and their families on how to use respiratory equipment at home, and they may demonstrate respiratory therapy procedures to trainees and other health care personnel. Their responsibilities include inspecting and testing equipment. If it is faulty, they either make minor repairs themselves or order major repairs.
Respiratory therapy workers include therapists, technicians, and assistants. Differences between respiratory therapists' duties and those of other respiratory care workers' include supervising technicians and assistants, teaching new staff, and bearing primary responsibility for the care given in their areas. At times the respiratory therapist may need to work independently and make clinical judgments on the type of care to be given to a patient. Although technicians can perform many of the same activities as a therapist (for example, monitoring equipment, checking patient responses, and giving medicine), they do not make independent decisions about what type of care to give. Respiratory assistants clean, sterilize, store, and generally take care of the equipment but have very little contact with patients.
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