Spirometry is a lung function test which measures the amount (volume) and speed (flow) of air that can be inhaled or exhaled from the lungs. Spirometry is an important tool for assessing conditions such as asthma, chronic obstructive pulmonary disease (COPD) and cystic fibrosis.
There are a number of techniques available for assessing lung function using spirometry in order to support acquisition and analysis of flow, lung volumes, respiratory and pulmonary pressures and lung sounds from human subjects.
In conjunction with our complete system shown below, any device (i.e. ergometer, exercise bike, treadmill) with an analog output (+/- 10V) can be connected to a PowerLab data acquisition system for synchronization of event in LabChart. So you have even more flexibility and can integrate all your data streams in one place.
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Measure Peak expiratory flow (PEF) as maximum flow rate attained during FVC maneuver, or peak inspiratory flow (PIF) as peak flow rate at inhalation. Graph flow-volume to indicate obstruction and/or restriction present in airway abnormalities.
ADInstruments systems provide an integrated solution to advance life science research. With the combination of LabChart or LabChart Lightning analysis software and a PowerLab data acquisition unit, you have the flexibility to collect and synchronize a wide range of signals for analysis. We also offer a range of LabChart compatible solutions able to stream directly in LabChart.
LabChart data analysis software creates a platform for all of your recording devices to work together, allowing you to acquire biological signals from multiple sources simultaneously and apply advanced calculations and plots as your experiment unfolds. Learn more about LabChart and Spirometry »
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LabChart software is designed specifically for life science data and provides up to 32 channels for data display and analysis options that are powerful and easy to use. With auto-recognition of ADI and LabChart Compatible hardware, multi-window views, one touch recording, simultaneous recording from multiple devices, specialized preconfigured settings, easy sharing options and an interface that can be customized to show only the features you want to use.
Forced exhalation data, flow-volume loops and Spirometry report produced using the Spirometry Add-On for LabChart.
The volume trace can be separated into inspired and expired components. The subject breaths in a fixed volume of air which is at room temperature. When the air enters the lungs, it becomes warmed and humidified, which increases the volume of the air. Subsequently the volume of the expired portion of breath is greater than the volume of the inspired portion. The result is a drifting volume trace. This can be resolved by using a heated flow head (such as the Heated Pneumotach 800L with Heater Controller (MLT3813H-V)) which ensures the temperature of both the inspired and expired air is the same. Alternatively, the Spirometry extension in LabChart eliminates drift by applying a correction factor to reduce the expired volume.
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