Clinically it is felt as crepitus and, if extensive, may cause soft tissue swelling and discomfort. Even when severe subcutaneous emphysema is typically benign, although complications such as airway compromise, respiratory failure, pacemaker malfunction and tension phenomena have been described.
A medical assistant may lawfully perform spirometric pulmonary function testing if the test is a usual and customary part of the medical practice where the medical assistant is employed, and the requirements for training, competency, authorization and supervision are satisfied.
Medical assistants are allied healthcare professionals responsible for various clinical and/or administrative duties. They perform clinical functions including but not limited to direct patient care and preparation, ECG, phlebotomy, and pharmacology while maintaining patient safety and confidentiality.