EP3 – Gas Volumes & Gas Exchange | Anaesthetic Primary Topic | Respiratory Physiology | CT10

Today I take a look at 'Gas Volumes & Exchange'. There are 5 learning objectives that I go through. Firstly, looking at physics of gas flow and its relationship with resistance (00:41). Followed by the factors that affect airway resistance (11:03) and how it can be measured (18:11). Then I discuss lung volumes and capacities and how they can be measured (21:18). This leads in to talking about Fick's law and an explanation of perfusion and diffusion limitation across the alveoli with respect to O2 and CO2 (28:57). With our final LO being diffusion capacity and measurement of this (34:26). Finally, we have a look at some of the past SAQs from previous ANZCA exams (39:26) and then summarise the main points (51:15). Next episode we will go through 'Function Anatomy of Respiratory System.' Thanks for listening! As always if you have any feedback let me know

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