What are the respiratory findings characteristic of anaphylaxis?

Updated: May 16, 2018
  • Author: S Shahzad Mustafa, MD; Chief Editor: Michael A Kaliner, MD  more...
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Answer

Severe angioedema of the tongue and lips (as may occur with the use of angiotensin-converting enzyme [ACE] inhibitors) may obstruct airflow. Laryngeal edema may manifest as stridor or severe air hunger. Loss of voice, hoarseness, and/or dysphonia may occur. Bronchospasm, airway edema, and mucus hypersecretion may manifest as wheezing. In the surgical setting, increased pressure of ventilation can be the only manifestation of bronchospasm. Complete airway obstruction is the most common cause of death in anaphylaxis.


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