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...

An incentive spirometer is a handheld medical device used to help patients improve the functioning of their lungs. By training patients to take slow and...

test is performed using a device called a spirometer, which comes in several different varieties. Most spirometers display the following graphs, called spirograms:...

(FVC). A person's vital capacity can be measured by a wet or regular spirometer. In combination with other physiological measurements, the vital capacity...

Surprising Career of the Spirometer From Plantation to Genetics (2014), which looks at the history of correcting for race in spirometers, and for which she...

closed-circuit system where a spirometer is filled with a mixture of helium (He) and oxygen. The amount of He in the spirometer is known at the beginning...

the closed spirometer, that the patient has no helium in their lungs, and that an equilibration of helium can occur between the spirometer and the lungs...

capacity and expiratory reserve volume can be measured directly with a spirometer. These are the basic elements of a ventilatory pulmonary function test...

John Hutchinson invented the spirometer, which allowed the measurement of vital capacity of the lungs. However, his spirometer could only measure volume...

reader at Hammersmith Hospital. He developed a device called the Trip Spirometer, which measured the respiratory efficiency of a neonate. In 1953, he improved...