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Review age, gender, smoking status, BMI, indication, flow-volume curves. Quality control. Three acceptable maneuvers with repeatable values: Two highest values of FVC and FEV1 should be within 150mL (100mL if FVC ≤ 1L)
Describe the clinical indications for pulmonary function testing. Understand the physiology of the core pulmonary function tests: spirometry, lung volumes and DLCO. Apply an organized approach to interpreting pulmonary function tests.
5 Ιουν 2012 · In this article we will provide an overview of basic pulmonary function tests and an algo-rithm for using and interpreting them, and then we use three cases to explain how to use these tests to identify the pattern of respirato-ry dysfunction, then make the diagnosis.
27 Φεβ 2017 · Lung Volumes. Plethysmograpy. Gas Dilution. DLCO. Bronchoprovacation Testing. Methacholine. Other – e.g. Mannitol, Eucapnic Voluntary Hyperventilation. Six Minute Walk. PFT Interpretation. • The VC, FEV1, FEV1/VC ratio, TLC and DLCO are the basic parameters used to properly interpret lung function. PFT Interpretive Strategy. Spirometry.
15 Μαΐ 2024 · This pulmonary test analyzer will help you understand your FVC, FEV1, VC, and other pulmonary test results. Select a test and enter your lab value to learn more.
PEF is the highest velocity of air&ow that can be transiently achieved during a maximal expiration from total lung capacity. Because &ow is a function of resistance, and the majority of resistance is encountered in the upper airways, the peak &ow is an excellent indicator of large airway function.
If FVC < LLN (or < 80%) predicted, consider hyperinflation/gas trapping. If post-BD FVC remains < LLN (or < 80%) predicted, consider combined obstructive and restrictive defect and full PFT. Note: Recommended reference equations: GLI, CHMS, and NHANES III. 2018 Ontario Lung Association.
