MedEd capnography byte 15: Lower airway obstruction- bronchospasm
In cases of lower airway obstruction resulting from bronchospasm, respiratory rate may vary, but it is generally greater than 20 breaths per minute and is often accompanied by a reduced tidal volume. Possible causes of lower airway obstruction can include asthma, allergy, COPD, emphysema, bronchitis, or pulmonary edema. Learn more in this video. US-PM-2200571
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