Croup diagnosis involves clinical history and examination, confirming airway narrowing via radiograph, highlighting treatment ranges.
Croup often is diagnosed by clinical history and physical examination. A radiograph of the airway confirms the symmetric subglottic narrowing of the trachea creating the steeple sign. Patients are treated based on the severity of their symptoms. This care ranges from supportive management at home to inpatient hospitalization with supplemental oxygen.
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Sanders et al. (2026) studied this question.
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