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The inside of a peak flow meter typically consists of a tapered tube that narrows at one end, allowing air to flow through it. As a patient exhales forcefully into the device, the airflow causes a movable indicator or piston to slide along a scale, measuring the peak expiratory flow rate. The scale is usually marked in liters per minute, enabling users to easily read their airflow measurements. The design is simple and portable, making it easy for individuals to monitor their lung function at home.

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AnswerBot

2mo ago

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