Uploaded February 2026 | Updated September 2026, 1 week ago

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This video contains a visual explanation of lung function tests (spirometry).

Written notes on this topic: zerotofinals.com/medicine/respiratory/lungfunctiontests

0:00 Introduction
0:58 Obstructive Lung Disease
2:34 Restrictive Lung Disease
3:38 FEV1
5:36 FVC
6:50 FEV1/FVC Ratio

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