Spirometer Online|Medical Devices|Medikabazaar

A spirometer is an apparatus for measuring the volume of air inspired and expired by the lungs. A spirometer measures ventilation, the movement of air into and out of the lungs. The spirogram will identify two different types of abnormal ventilation patterns, obstructive and restrictive. There are various types of spirometers which use a number of different methods for measurement (pressure transducers, ultrasonic, water gauge).

Spirometers are calibrated containers that collect gas and make measurements of lung volume or capacity that can be expired.

Spirometer is one of the equipment used for basic Pulmonary Function Tests (PFTs).
It is useful as a preliminary test of the health condition for patient's lung. Lung diseases such as asthma, bronchitis, and emphysema can be ruled out from the tests. In addition, it is often used for finding the cause for shortness of breath, assessing the effects of contaminants on lung functions, effect of medication, and progress for disease treatment
During a spirometry test, a patient places their mouth over the mouthpiece of the spirometer, takes a deep breath in, and then blows out as forcefully as possible.

Spirometry gives health care professionals two important numbers that may indicate problems with lung function.

These are:
Forced Vital Capacity (FVC) - how much air you can blow out of your lungs
Forced Expiratory Volume (FEV1) - the amount of air you can blow out in 1 second

Types of spirometers :

Whole body plethysmograph
Pneumotachometer
Fully electronic spirometer
Incentive spirometer
Peak flow meter
Windmill-type spirometer
Wedge spirometer
Ultrasonic spirometer

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