What is the role of lab testing in the diagnosis of status asthmaticus?

Updated: Jun 17, 2020
  • Author: Constantine K Saadeh, MD; Chief Editor: John J Oppenheimer, MD  more...
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The selection of laboratory studies depends on historical data and patient condition. Tests that should be performed in patients with status asthmaticus include the following:

  • Complete blood cell (CBC) count

  • Arterial blood gas (ABG) analysis

  • Serum electrolyte levels

  • Serum glucose levels

  • Peak expiratory flow measurement

  • Chest radiography

  • Electrocardiogram (in older patients)

  • Blood theophylline levels (if indicated)

  • IgE level in selected patients

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