A detailed and thorough history is crucial to making a diagnosis or directing further workup. The history has been reported as diagnostic in 20% to 86% of cases, alone or in conjunction with physical examination findings.7,8,15 While the data clearly indicate the importance of conducting a systematic history, completing it can be difficult in the case of a crying infant. There will never be a true first-hand account of the event or events, as a preverbal child cannot provide information. The caregivers of a crying child may also be anxious and unable to offer a coherent and chronological description of the event(s) leading to ED presentation. Obtaining a history in high-acuity situations may be interrupted until the patient is stabilized.
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