Stridor

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Breathing sounds - abnormal; Extrathoracic airway obstruction

Follow your doctor's advice to treat the cause of the problem.

See also: Choking

Stridor may be a sign of an emergency. Call your health care provider right away if there is unexplained stridor, especially in a child.

In an emergency, the health care provider will check the person's temperature, pulse, breathing rate, blood pressure, and may need to do the Heimlich maneuver.

A breathing tube may be needed if the person can't breathe properly.

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After the person is stable, the health care worker may ask questions about the patient's medical history, and perform a physical exam. This includes listening to the lungs.

Parents or caregivers may be asked the following medical history questions:

• Is the abnormal breathing a high-pitched sound?
• Did the breathing problem start suddenly?
• Could the child have put something in the mouth?
• Has the child been ill recently?
• Is the child's neck or face swollen?
• Has the child been coughing or complaining of a sore throat?
• What other symptoms does the child have? (For example, nasal flaring or bluish color to the skin, lips, or nails)
• Is the child using chest muscles to breathe (intercostal retractions)?

Tests that may be done include:

• Arterial blood gas analysis
• Bronchoscopy
• CT scan, thoracic
• Laryngoscopy (examination of the voice box)
• Pulse oximetry to measure blood oxygen level
• X-ray of the chest or neck

Review Date: 04/26/2010
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).