Pulmonary Function Tests (PFTs) - Spirometry - Lung Volumes & Capacities Made Simple - Physiology

Pulmonary Function Tests (PFTs) | Spirometry | Lung Volumes and Capacities | Pulmonology Pulmonary function tests (PFTs) are crucial to understand if you want to be a doctor. You need to know the difference among tidal volume (TV), inspiratory reserve volume (IRV), expiratory reserve volume (ERV), residual volume (RV), minimal air, inspiratory capacity (IC), functional residual capacity (FRC), vital capacity (VC) and total lung capacity (TLC).
Spirometry can measure most of them except the residual volume and any capacity that's related to the residual volume (i.e. functional residual capacity, and total lung capacity).
In the next video, we'll discuss the FEV1/FVC ratio and how to use to differentiate between obstructive and restrictive lung diseases.
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kzbin.info/www/bejne/Zou6ZJWvfcp7hpI Kindly see the lecture on PFT and give your expert comment

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hi, how to differentiate intrinsic from extrinsic based on flow volume loop ?i did not find ur video

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[@SarkisKlinik]

Hello, in VC volume test of my machine, it measures the following parameters below, but unfortunately it is not calculating TLC , RV, FRC, RV/TLC. So how can i calculate them? so my machine measures the following automatically: vital capacity,inspiratory volume,expiratory reservevolume,inspiratory reserve volume,expiratory vital capacity,inspiratory vital capacity,tidal volume,minute ventiation, resp rate,tidal inspiratory time,tidal expiratory time,total respiratory time, ti/te, ty/ti,ti/ttot,te/ttot. Which of these are importantparameter to decide restricitve or obstructive?

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