Fast Five Quiz: Immunologic and Inflammatory Pathways in Severe Asthma

Zab Mosenifar, MD

Disclosures

March 18, 2020

Figure 1. Asthma is a chronic disease of the respiratory system in which the airway occasionally constricts and become inflamed.

Biomarkers are measurable characteristics that can help identify a particular pathophysiologic process or disease. The presence of a Th2 endotype is currently assessed using markers that include the sputum or blood eosinophil count, fraction of exhaled nitric oxide (FeNO), and immunoglobulin (Ig) E.

Sputum neutrophils may provide some indication, but there is no reliable marker of a non-Th2 endotype.

Learn more about the Th2 endotype.

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