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Pulmonary function tests are non-invasive diagnostic tests that measure how well the lungs are working, according to Healthline. They provide feedback about lung volumes, capacities, rates of flow and gas exchange that d... More »

Pulmonary function tests, or PFTs, typically include a spirometry reading, which tests how much air the patient can breathe in and out and how well the lungs transfer oxygen and carbon dioxide in and out of the bloodstre... More »

During a pulmonary function test, the patient uses a mouthpiece attached to a machine that measures the amount of air the patient inhales and exhales, according to MedlinePlus. The patient also sits in a booth so that th... More »

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Pulmonary function tests, or PFTs, typically include a spirometry reading, which tests how much air the patient can breathe in and out and how well the lungs transfer oxygen and carbon dioxide in and out of the bloodstre... More »

Types of kidney function tests include urinalysis and a blood urea nitrogen test, according to Healthline. Other types of kidney function tests are a serum creatinine test and an estimated glomerular filtration rate test... More »

PFT tests are a group of tests that measure how well the lungs supply oxygen to the body, states Healthline. PFTs, which stands for pulmonary function tests, are ordered during routine physical examinations if issues wit... More »

A pulmonary function test checks how well the lungs are working, states MedlinePlus. It checks for overall airflow and how well the lungs are converting air from the atmosphere into the body. More »