Serial Peak Flow Measurements

You ask for the patient to keep 2 hourly measurements of peak expiratory flow on days at work and days away from work for 4 weeks. the patient returns the records 4 weeks later. The peak flow record cards can be viewed below.

Serial Peak Flow Record Cards

This data can be shown graphically and analysed in the ways listed below. The Oasys Worked Analysis section of this website presents an example of such plots and reports.

	Plotted sequentially
	Plotted as daily maximum, mean and minimum (an Oasys plot)
	Full Oasys report

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Do you think the peak flow is worse on workdays?

Do you think the peak flow record is asthmatic?

Do you think the peak flow record shows occupational asthma?

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