Is there benefit to combining inhaled beta-agonist and anticholinergic agents for the emergency management of adults with asthma?

BEEM Bottom Line

Why is this study important?

Inhaled short-acting beta-agonists (SABA) are the mainstay of emergency management of adults with asthma and any increased benefit from the addition of short-acting anticholinergics (SAAC) might be outweighed by adverse effects.

Which, if any, threats to validity are most likely to have an impact on the results and how?

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