American Academy of Otolaryngology-Head and Neck Surgery Foundation GUIDELINES Apps brought to you free pf charge, courtesy of Guideline Central. Enjoy!
7
Grade 3 Grade 4 Grade 5
Lower respiratory
Asthma (e.g., 40% PEF or FEV1
drop not responding to an inhaled
bronchodilator)
or
Upper respiratory
Laryngeal, uvula, or tongue edema
with or without stridor
Lower or upper respiratory
Respiratory failure with or without
loss of consciousness
or
Cardiovascular
Hypotension with or without loss of
consciousness
Death
