The Key Features Of Spirometers

By Tonia Merritt

The Key Features Of Spirometers

In the health care field, a lot of physicians use spirometers. These are special machines that are designed to check air volume of lungs. Essentially, the devices test the total amount of air that is being inhaled and exhaled by way of the lungs. This unit is also made to record the rate and total of air that is breathed in a set amount of time. It offers information on the respiration rates and may be called a pressure transducer.

This type of device is employed for numerous medical tests, including PFTs, also called Pulmonary Function Tests. This preliminary exam is done to test the health of the lungs. There are numerous diseases of this organ that can be ruled out based on the results of this test, including bronchitis, asthma and emphysema. Spirometers are also used to identify the effects that prescriptions and disease care have on lungs.

The first of such structures was created during the 1900s. It was a dry-bellowed wedge version designed by Brodie TG. Prior to this development, unsuccessful attempts had been made to create a device that measure lung volume. Since this invention in 1902, the device has improved in many respects and is now highly effective. Other people who were involved in the development of this apparatus include DuBois AB, Woestijine JP and Compton SD.

A lot of spirometer models are available and used in modern times. Typically their differences are in results they produce. Peak flow, pneumotachometer, windmill, full electronic, incentive meter, whole body plethysmograph and tilt-compensated are just a few examples of the versions used.

When matched against other modern versions, the whole body plethysmograph is recognized as the most accurate when it comes to producing volume measurements. This model is used while patients are placed in small areas. The pneumotachometer can be used to detect the difference in pressure over fine mesh. As a result, it is typically used to assess the rate of gas flow too.

Fully electronic versions, and other electronic models, do not require fine meshes or moving parts. They are able to compute the airflow rates by using channels, rendering these extra parts unnecessary. They also do not apply techniques or equipment such as ultrasonic transducers to measure the airflow speed.

Incentive models are mostly used to repair function of lungs. Peak flow versions are good for measuring ability of one to breath the air out, or exhale. Windmill, also called spiropet, meters are usually applied to measure forced vital capacity. Still, they do not use water. Tilt-compensated styles are more modern and can be in a horizontal position when measurements are being recorded.

Spirometers are devices utilized in the health care field to measure the respiratory function of human lungs. There are a variety of models that are used, each providing its own features and results. In general, the devices are used when measuring volume of air inhaled or exhaled. This apparatus is often used for PFTs. The first invention of the meter was during the nineteenth century, but attempts to create a similar device precede that original device.


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