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Clinical Group

Open Journal of Asthma

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Abstract Open Access
Research Article PTZAID: OJA-1-102

Calculation of Predicted Peak Expiratory Flow in Children with a Formula

Matjaž Kopač*

Background: To determine whether a child has asthma exacerbation, we should obtain the value of peak expiratory flow. It is useful in a diagnostic procedure, in evaluation of response to therapy and following the course of asthma.The context and purpose of the study: On the basis of published relations between  body height and peak expiratory flow in children I developed a formula for calculation of predicted peak expiratory flow in children according to body height.

Results: Formula for estimation of predicted peak expiratory flow in children according to body height reads as follows:

Peak expiratory fl ow [L/min] = (Body height [cm] x 5.3) – 433.

Conclusions: In some situations, especially in emergency settings, the presented formula may prove useful in predicting peak expiratory flow knowing only a child’s body height.

Published on: Feb 10, 2017 Pages: 7-8

Full Text PDF Full Text HTML DOI: 10.17352/oja.000002

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