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Family Practice Vol. 6, No. 2, 83-85
© Oxford University Press 1989

research-article

Cough Sound Analysis: A New Tool for the Diagnosis of Asthma?

L J TOOP, C W THORPE* and R FRIGHT{dagger}

Department of General Practice, Christchurch School of Medicine New Zealand
*University of Canterbury New Zealand
{dagger}Christchurch Hospital New Zealand

Correspondence to Dr Toop

A method of computerized cough sound analysis is described. The sounds of nocturnal and post-exercise coughs from a child with asthma were compared with those from a child without asthma. The spectrographic patterns of voluntary cough at rest from the two children were similar. The pattern seen after exercise from the asthmatic child was different from the resting cough but similar to that seen during recorded nocturnal cough. In contrast the post-exercise cough from the non-asthmatic child was similar to the cough seen at rest. Refinement of this method of cough sound analysis may be useful in the diagnosis of asthma in young children.


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