ATS Pulmonary Function Laboratory Manual

chapter  13

Table 13.3

Medication Withholding Recommendations

Medication

Withhold Time

Inhaled beta-agonists in conventional doses • Short-acting (e.g., albuterol)

6–8 hours 36 hours

• Long-acting (e.g., salmeterol) Inhaled anticholinergics • Short-acting (e.g., ipratropium) • Long-acting (e.g., tiotropium)

12 hours 48 hours

Antihistamines • Short-acting • Long-acting

48 hours

3 days

Cromones

6–8 hours 12 hours

Inhaled corticosteroids Leukotriene modifiers

4 days

Inhaled corticosteroids + long acting beta agonists

36 hours

4. Postponement may be necessary if the patient has not complied with the preparation criteria. The ordering physician is to be contacted to determine if rescheduling is necessary. 5. In order to properly interpret the test results, relevant clinical information should be provided in writing by the ordering physician (i.e., diagnosis, and type of treatment). Equipment Preparation and Calibration 1. Assure spirometer has been checked for accuracy. 2. Open Bronchial Challenge Test Kit and remove blister packs and inhaler. There are three blister packs numbered consecutively and containing 19 capsules. 2.1.

Blister Pack 1 contains four capsules: • Marked 1 – 1 × empty clear capsule • Marked 2 – 1 × 5 mg white clear capsule • Marked 3 – 1 × 10 mg yellow clear capsule • Marked 4 − 1 × 20 mg pink clear capsule Blister Pack 2 contains 7 capsules: • Marked 5 – 1 × 40 mg red clear capsule • Marked 6 – 2 × 40 mg red clear capsules • Marked 7 – 4 × 40 mg red clear capsules Blister Pack 3 contains 8 capsules: • Marked 8 – 4 × 40 red clear capsules • Marked 9 – 4 × 40 mg clear capsules

2.2.

2.3.

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