Chapter 35 Breathing
INCENTIVE RESPIRATORY SPIROMETRY
OVERVIEW.
Incentive respiratory spirometry involves a technique of taking slow deep breaths for a sustained maximal inspiration (fully inflate lungs) using a medical device that provides visual feedback. It is used to prevent or treat atelectasis after surgery and to treat restrictive lung defects associated with dysfunctional diaphragm or quadriplegia.1
SUMMARY: CONTRAINDICATIONS AND PRECAUTIONS.
Four sources cited a total of nine concerns for incentive spirometry. Concerns ranged from one to four per source, with the American Association of Respiratory Care (AARC)1 and a physician citing the largest number and a physical therapist citing the fewest. The largest proportion of concerns were device-related, such as how the device is used. The most frequently cited concerns were patients who either had a limited vital capacity or were uncooperative.
F00-F99 MENTAL AND BEHAVIORAL DISORDERS
J00-J99 DISEASES OF THE RESPIRATORY SYSTEM
R00-R99 SYMPTOMS, SIGNS INVOLVING
PROCEDURAL CONCERNS
Pursed-Lip Breathing
Pursed lip breathing is a method of controlling respiration by exhaling through pursed lips (e.g., the lips gathered into a wrinkle or pucker). The technique is thought to increase airway pressure and keep bronchioles open so that gas exchange and breathing improves.5

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