On chest radiograph during an acute asthma episode, which finding is typical?

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Multiple Choice

On chest radiograph during an acute asthma episode, which finding is typical?

Air trapping with hyperinflation is what chest radiographs often show during an acute asthma attack. Narrowed and inflamed airways prevent complete exhalation, so the lungs stay inflated and appear more translucent on the film. This produces an increased anteroposterior diameter of the chest and can flatten the diaphragms. In contrast, pleural effusion or consolidation would present with shifted angles, fluid levels, or focal opacities—not the diffuse hyperlucency and widened chest seen with simple asthma-related hyperinflation. So the typical finding is an increased AP diameter with translucent (hyperinflated) lungs.

Air trapping with hyperinflation is what chest radiographs often show during an acute asthma attack. Narrowed and inflamed airways prevent complete exhalation, so the lungs stay inflated and appear more translucent on the film. This produces an increased anteroposterior diameter of the chest and can flatten the diaphragms. In contrast, pleural effusion or consolidation would present with shifted angles, fluid levels, or focal opacities—not the diffuse hyperlucency and widened chest seen with simple asthma-related hyperinflation. So the typical finding is an increased AP diameter with translucent (hyperinflated) lungs.

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