Spirometry refer to a clinical exercise through which functions of the lung are gauged, specifically the velocity and volume of air breathed. It is also known by the phrase measuring of breath and it stands among PFTs, pulmonary function tests carried out on patients diagnosed with lung conditions. The apparatus used perform do the exercise are called spirometers. Customers have a variety of gadgets to pick from since there are numerous makes on the current market.
The work of this equipment is to determine abnormal ventilation patterns and how air moves in and out of the lungs. This device is normally able to detect two kinds of abnormal ventilation patterns. The first abnormal pattern is restrictive while the second one is obstructive. Different device models use different measurement methods to achieve their functions. Some of most common methods include use of water gauge, ultrasonic, and pressure transducers.
As technology continues to advance, so does these devices. Currently there are several models in use in different parts of the world. Some of major models include whole body plethymograph, pneumotachometer, peak flow type, windmill-type, incentive, fully electronic, and tilt compensated model. Whole body plethymograph is one of most accurate models, giving a very high level of accuracy in its readings. The person whose lungs are being assessed is enclosed in a small room.
The pneumotachometer gauges the flow rate of air by employing a fine mesh. The pressure of inhaled or exhaled gases is detected as they flow over the fine mesh, allowing measurement of their rate of flow. Patients are allowed to breathe in fresh air as the process continues. That is an advantage that lacks in most other models.
Fully electronic model is a complete improvement of other models because it does not have fine meshes or moving components. Rate of air flow is measured using methods such as pressure difference and ultrasonic transudcers. Lack of moving components improves the accuracy of these models because there is no friction or resistance. The hygiene is also improved since air flow channels used are disposable after use.
The incentive model is the most widely employed kind. These models are meant to improve air exchange in lungs when utilized for long a period. In health centers they are placed on tables or benches adjacent to beds when in use. Health officers instruct patients to breathe into the mouthpiece for a certain number of times every day. An improvement the patient observes in their inhalation and exhalation is seen on the calibrated sides of the apparatus.
Windmill-type model is able to gauge forced vital capacity without involving water. When compared to water-tank types, it has lower weight and higher portability. Measurements taken are wide and lie between 7000ml and 1000ml. When recording measurements, this apparatus must be held in horizontal position due to the presence of revolving discs. Tilt-compensated types contain 3D sensing mechanics that permit forward or backward positions during use.
The testing process is highly dependent on the cooperation of the patient. The values from one recording cannot be used because they may contain errors. That is the reason why the procedure is normally repeated at least three times. That is also the reason it cannot be used on small children who cannot follow instructions.
The work of this equipment is to determine abnormal ventilation patterns and how air moves in and out of the lungs. This device is normally able to detect two kinds of abnormal ventilation patterns. The first abnormal pattern is restrictive while the second one is obstructive. Different device models use different measurement methods to achieve their functions. Some of most common methods include use of water gauge, ultrasonic, and pressure transducers.
As technology continues to advance, so does these devices. Currently there are several models in use in different parts of the world. Some of major models include whole body plethymograph, pneumotachometer, peak flow type, windmill-type, incentive, fully electronic, and tilt compensated model. Whole body plethymograph is one of most accurate models, giving a very high level of accuracy in its readings. The person whose lungs are being assessed is enclosed in a small room.
The pneumotachometer gauges the flow rate of air by employing a fine mesh. The pressure of inhaled or exhaled gases is detected as they flow over the fine mesh, allowing measurement of their rate of flow. Patients are allowed to breathe in fresh air as the process continues. That is an advantage that lacks in most other models.
Fully electronic model is a complete improvement of other models because it does not have fine meshes or moving components. Rate of air flow is measured using methods such as pressure difference and ultrasonic transudcers. Lack of moving components improves the accuracy of these models because there is no friction or resistance. The hygiene is also improved since air flow channels used are disposable after use.
The incentive model is the most widely employed kind. These models are meant to improve air exchange in lungs when utilized for long a period. In health centers they are placed on tables or benches adjacent to beds when in use. Health officers instruct patients to breathe into the mouthpiece for a certain number of times every day. An improvement the patient observes in their inhalation and exhalation is seen on the calibrated sides of the apparatus.
Windmill-type model is able to gauge forced vital capacity without involving water. When compared to water-tank types, it has lower weight and higher portability. Measurements taken are wide and lie between 7000ml and 1000ml. When recording measurements, this apparatus must be held in horizontal position due to the presence of revolving discs. Tilt-compensated types contain 3D sensing mechanics that permit forward or backward positions during use.
The testing process is highly dependent on the cooperation of the patient. The values from one recording cannot be used because they may contain errors. That is the reason why the procedure is normally repeated at least three times. That is also the reason it cannot be used on small children who cannot follow instructions.
About the Author:
You can visit www.henanmedical.com for more helpful information about Types Of Spirometers And How They Work.
No comments:
Post a Comment