If a ventilatory pattern is identified, its severity is graded. Next, the determination of an obstructive or restrictive ventilatory patten is made. The first step is determining the validity of the test. A simplified and stepwise method is key to interpreting spirometry.
However, interpreting spirometry results can be challenging because the quality of the test is largely dependent on patient effort and cooperation, and the interpreter's knowledge of appropriate reference values. Technology advancements have made spirometry much more reliable and relatively simple to incorporate into a routine office visit. Spirometry is a powerful tool that can be used to detect, follow, and manage patients with lung disorders.
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