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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. Identify obstructive, restrictive, mixed obstructive-restrictive and pulmonary vascular patterns of ...
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.
9 Οκτ 2024 · These tests evaluate lung volume, capacity, rates of flow, and gas exchange, helping to diagnose and monitor respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and restrictive lung diseases.
Spirometry is used to measure lung volumes and air flow. Alongside clinical assessment, it is an essential tool used in the diagnosis, assessment and monitoring of Chronic Obstructive (COPD)1, Pulmonary Disease may contribute to the diagnosis of asthma and detect restrictive respiratory conditions.2.
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.
By following this flow chart, one can effectively interpret spirometry results alongside lung volumes, assess disease severity based on FEV1, and define hyperinflation. Step 1: Interpret Spirometry with Lung Volumes; Step 2: Assess Disease Severity Based on FEV1; Step 3: Define Hyperinflation.
