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Whooping Cough (Classic Whoop)
Whooping Cough (Classic Whoop)

    Pertussis in a child, with whooping. Pertussis causes paroxysmal coughing; only about half of patients develop classic whooping. In this recording, the child coughs without inspiration until she has emptied her lungs of air, then breathes in with a whoop. The whoop is caused by vocal cord adduction during inspiration.

Audio file courtesy of Doug Jenkinson, MD.

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