pulmonary function test (PFT)
measure the volume and flow of air by utilizing a spirometer and compares against normal values
spirometer
a device attached to a computer that measures the capacity of the lungs while the patient blows exhaled air from the lungs into the disposable mouthpiece
peak flow meter
a portable handheld device can be used in both the medical office and the home environment
Guiaiac testing
used to detect the presence of occult blood in the stool