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What to Expect

With pulmonary function testing the therapist will coach the patient when to breathe out and when to breathe in for each part of the test. The test may involve walking briefly while the therapist checks the patient's oxygen saturation. The therapist may need to draw a blood sample (for blood gases).

For treatments, the therapist will explain the purpose of the treatment and show the patient what he or she needs to do, for example taking inhalers correctly.

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