[DOC] [TLE] Pulmonary Function Tests | Johns Hopkins Medicine Health Library [PAR] Pulmonary function tests (PFTs) are non-invasive tests that show how well the 
lungs are working. ... The tests measure lung volume, capacity, rates of flow, and 
gas exchange. ... This is the amount of air inhaled or exhaled during normal 
breathing. .... You'll be asked to loosen tight clothing, jewelry, or other things that 
may... [DOC] [TLE] Peak Flow Measurement | Johns Hopkins Medicine Health Library [PAR] Peak flow measurement is a quick test to measure air flowing in and out of the 
lungs. The measurement is called the peak expiratory flow rate (PEFR). It's also... [DOC] [TLE] Spirometry Tests - procedure, blood, pain, adults, time, pregnancy ... [PAR] This procedure measures air flow by electronic or mechanical displacement 
principles, and ... Vital capacity is usually about 80% of the total lung capacity. ... 
Spirometry is the most commonly performed pulmonary function test (PFT). ... A 
flow-volume loop spirogram is another way of displaying spirometry 
measurements. [DOC] [TLE] Chronic obstructive pulmonary disease - Wikipedia [PAR] Chronic obstructive pulmonary disease (COPD) is a type of obstructive lung 
disease characterized by long-term poor airflow. The main symptoms include 
shortness of breath and cough with sputum production. COPD typically worsens 
over time. Eventually walking up stairs or carrying things will be difficult. ... The 
diagnosis is based on poor airflow as measured by lung function tests. [DOC] [TLE] Plethysmograph - Wikipedia [PAR] A plethysmograph is an instrument for measuring changes in volume within an 
organ or whole ... Pulmonary plethysmographs are commonly used to measure 
the functional ... capacity is a function of the changes in volume and pressures as 
follows: ... Another common type of plethysmograph is the penile plethysmograph
. [DOC] [TLE] COPD - In-Depth Report - NY Times Health - The New York Times [PAR] Chronic obstructive pulmonary disease (COPD) is a condition in which there is .... 
Chronic cough is the hallmark of chronic bronchitis from its early stages onward. 
... The good news is that women who stop smoking get their lung function back .... 
This test measures only oxygen in the blood, however, and not carbon dioxide. [DOC] [TLE] Chronic obstructive pulmonary disease (COPD) and lung cancer [PAR] Dec 4, 2012 ... Could testing for COPD help catch lung cancer earlier? ... In emphysema, the 
walls of the tiny air sacs in the lungs are damaged and destroyed ... COPD can't 
be cured but its symptoms can be managed and controlled through ... which is a 
common and inexpensive office test that measures lung capacity. [DOC] [TLE] Effect of aging on respiratory system physiology and immunology [PAR] The lung parenchyma loses its supporting structure causing dilation of air spaces
: senile emphysema. ... There is a large variation in different physiologic 
measures among older .... The decline in pulmonary function tests depends on 
peak lung function ... Functional residual capacity and residual volume increase 
with age,... [DOC] [TLE] Diagnosis and early detection of COPD using spirometry - NCBI [PAR] Pathology of chronic obstructive pulmonary disease (COPD) ... the ratio of forced 
expiratory volume in one second (FEV1) to forced vital capacity (FVC), ... in 
clinical practice this standard measure is, what we know about its pitfalls in 
clinical .... and degrees of vigilance among general practitioners to early 
diagnosis (56,57). [DOC] [TLE] What Is the Clinical Value of Lung Volumes? - Respiratory Care [PAR] Jan 1, 2012 ... Hyperinflation and air-trapping are terms commonly used to reflect these 
changes, but are not ... The use of computer controlled pulmonary function 
equipment allows ... Spirometry provides the vital capacity (VC) or FVC and its ... 
All the component tests of a complete PFT are measures of lung physiology. [DOC] [TLE] What lung function data are relevant concerning the assessment of ... [PAR] patient's quality of life and exercise capacity. ... Pulmonary function testing 
includes amongst others, spirometry, ... measuring the severity of and evaluating 
the effects of treatment of COPD. The ... Its prevalence is increasing and it is the 
only ..... throughout

Question: It's the "P" in PFT, a function test that measures air capacity, among other things
Answer: pulmonary