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Peak Flow Meter for Spirometry with FEV1This device is used to measure Peak Expiratory Flow (PEF) and Forced Expiratory Volume in 1-second (FEV1)in both children and adults. PEF is the fastest speed air can be blown out of the lungs after inhalation. FEV1 measures the volume after exhaling in 1-second. Peak Flow (PEF) and Forced Expiratory Volume in 1-second (FEV1) measurements can tell how well lungs are breathing by monitoring airflow. Doctors can have patients monitor changes in airflow and record the results. The automatic memory stores and provides easy access to the last 240 readings along with the time and date. Stores 240 readings with time and date, Accurate, Easy to use, Measures peak flow and FEV1, Deluxe storage case, Ergonomically designed ease of use, Compact, Suitable for children and adults, Connects to Microlife thermal printer (sold separately), Manufactured to meet American Thoracic Society accuracy standards for peak flow meters, Includes three mouthpieces Product photo may not exactly match the product offered for sale. Please refer to the product description.
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