Croup other diagnostic studies

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.

Croup’s exact cause can be determined by a nasopharyngeal swab. It is not usually performed since it is not usually necessary for diagnosis, as well as presenting patient distress and having no impact on management and treatment.

• Croup’s exact cause can be determined by a nasopharyngeal aspirate, using immunofluorescence and the obtained culture.^[1]
• It is rarely performed due to potential patient distress, as well as having no impact on management and treatment.^[1]
  • Imaging and clinical presentation are usually sufficient to diagnose croup.