The incidence varies depending on which definition is used, but definitions by Anthonisen et al. the typical COPD patient averages two to three AECB episodes per year. With a COPD prevalence of more than 12 million (possibly 24 million including undiagnosed ones) in the United States, there are at least 30 million incidences of AECB annually in the US.
Acute exacerbation of chronic obstructive pulmonary disease
Acute severe asthma
Acute decompensated heart failure
Swimming-induced pulmonary edema
Occult pneumonia
Acute chest syndrome
Acute interstitial pneumonitis
Vaping-associated pulmonary injury