What are characteristics of stage 3 status asthmaticus?

Updated: Jun 17, 2020
  • Author: Constantine K Saadeh, MD; Chief Editor: John J Oppenheimer, MD  more...
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These patients are generally ill and have a normal PCO2 due to respiratory muscle fatigue. Their PCO2 is considered a false-normal value and is a very serious sign of fatigue that signals a need for expanded care. This is generally an indication for elective intubation and mechanical ventilation, and these patients require admission to an ICU. Parenteral corticosteroids are indicated, as is the continued aggressive use of an inhaled beta2-adrenergic bronchodilator. These patients may benefit from theophylline.

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