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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)
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.
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.
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.
More advanced spirometers produce traces (i.e. visual display or print-out) of the volume of air exhaled over time so you can see how well the patient has carried out the maneuver.
27 Φεβ 2017 · Spirometry and Obstructive Physiology. Obstructive Physiology = FEV1/FVC Ratio < Predicted LLN. In the past a fixed ratio of <70% was used to define obstructive physiology. Currently the WHO Gold Criteria for COPD uses a fixed ratio of 70%.
Interpreting results. Best of 3 consistent readings (FEV1 & FVC) Borderline normal results - repeat in few months to confirm diagnosis (especially > 75 years) Abnormality detected if any of following recorded: FEV1 <80% predicted normal. FVC <80% predicted normal.
