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Table 5: Instructions for the subject before performing body plethysmography. |
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Avoid smoking and vaping two hours before |
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Avoid wearing restrictive chest garments, such as vests, corsets or very tight clothing |
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Maintain your baseline medication. Bronchodilators and inhaled steroids modify the measurement, so the decision to suspend or continue these medications should be made by the requesting physician and the technician should report the time of the last dose |
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Fasting is not required for the test, but a light meal is recommended four hours before |
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You should avoid strenuous exercise on the day of the test |