There are several types of spirometers. Patients with various lung diseases typically take spirometry quarterly, under medical supervision. The test takes about few minutes, and the results are available instantly. The results show the degree of obstruction or restriction of air flow within the lung.
Small personal spirometers can be mechanical or digital. Both types are simple to use, and very useful for all people having problems with their lungs. This include CF, Pneumonia, chronic obstructive pulmonary disease and similar problems. People with such diseases can avoid numerous serious problems if they track their lung