Conditions + Treatments

Testing & Diagnosis for Croup in Children

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Contact the Center for Airway Disorders

How is croup diagnosed?

In addition to a complete medical history and physical examination, your child’s doctor may also order:

  • neck and chest x-rays- a diagnostic test which uses invisible electromagnetic energy beams to produce images of your child’s internal tissues, bones and organs onto film.
  • blood tests
  • pulse oximetry- an oximeter is a small machine that measures the amount of oxygen in the blood. A small sensor (like a Band-Aid) is taped onto your child’s finger or toe. When the machine is on, a small red light can be seen in the sensor. The sensor is painless and the red light does not get hot.
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Boston Children's Hospital
300 Longwood Avenue, Boston, MA 02115
For Patients: 617-355-6000
For Referring Providers: 844-BCH-PEDS | 844-224-7337

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