Full Job Description

Performs pulmonary-function, lung-capacity, diffusion capacity, and blood-and-oxygen tests to gather data for use by physician in diagnosis and treatment of pulmonary disorders: Confers with patient in treatment room to explain test procedures. Explains specified methods of breathing to patient and conducts pulmonary-function tests, such as helium dilution and pulmonary mechanics (flow of air rate in lungs), arterial blood gas analyses, and lung-capacity tests, such as vital capacity and maximum breathing capacity tests, using spirometer or other equipment. Measures expired air, using various analyzers. Observes and records readings on metering devices of analysis equipment, and conveys findings of tests and analyses to physician for interpretation. May perform blood analysis tests to measure such factors as oxygen and carbon dioxide tensions, hemoglobin saturation and levels, and pH of blood, using blood gas analyzer. May measure sweat chloride to test for cystic fibrosis, using computerized analyzer. May assist physician in special procedures such as bronchoscopy.

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