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. Author manuscript; available in PMC: 2018 Jul 27.
Published in final edited form as: Clin Rev Allergy Immunol. 2015 Feb;48(1):1–6. doi: 10.1007/s12016-013-8395-6

Table 2.

Signs and symptoms of critical asthma syndrome

  • Sudden and rapid in onset

  • Dyspnea, paradoxical breathing, lightheadedness

  • Physical exhaustion leading to increased work of breathing

  • Failure of standard asthma therapy

  • Hypoxemia

  • Respiratory arrest

  • Death