Lung and Chest wall Compliance | Breathing Mechanics | Respiratory Physiology

✨In this video, I talk about lung compliance and elasticity, the factors affecting compliance, and how lung and chest wall compliance work together. I made this video, because i struggled with understanding it for a long time. So I did my best to simplify it. I hope it helps you out! ☀️
🌟What's in this video?
0:00 - Intro
0:25 - Volume and Pressure changes
2:51 - Understanding Compliance
3:19 - Lung Elasticity
4:24 - Compliance diagram (Hysteresis)
4:57 - Compliance of the lung-chest wall system
✨ Other videos you may need :
🔅 Surfactant and Surface Tension: • Surfactant and Surface...
🔅Lung Volumes and Capacities: • Lung Volumes and Capac...
🔅Pressure changes during respiration : • Breathing Cycle Physio...
💫 For more videos like this, subscribe to my channel!
Byte Size Med: / @bytesizemed
📚Factual References & for Further Reading:
- Guyton and Hall Textbook of Medical Physiology
- Ganong’s Review of Medical Physiology
- Costanzo’s Textbook of Physiology
- Openstax Anatomy and Physiology
openstax.org/details/books/an...
- Openstax Biology
openstax.org/details/books/bi...
(The last two are links to open-source references. They are NOT affiliate links)
🌤 Note:
These are just a collection of my notes. So treat them the way you would treat borrowed notes from a friend. 📝
The images in this video are hand-drawn for illustration and explanation only.✍️ Hence, they may not be anatomically accurate. I am just one person making these videos. If there are any errors, that is unintentional. I try super hard to avoid them. Please let me know if you find any, so it gets clarified for other viewers. Science constantly evolves and changes. New discoveries are made everyday. So some of the information in these videos may become outdated. If you notice that, please let me know so I can update them.
⚡️Disclaimer:
These videos are NOT a substitute for a medical textbook. Textbooks are written by experts (which I do not claim to be), edited, proofread and referenced. Please use them.
The information has been sourced from multiple references as mentioned above. I draw all the pictures myself. But if I have inadvertently infringed on any copyright, that is completely unintentional. I only make these videos to impart education. If I have accidentally violated copyright in any way, do let me know so I can make the necessary changes or give credit to anyone who is owed the same.
These videos are NOT intended for patient education. They are NOT a substitute for diagnosis and treatment by a licensed medical professional. Always seek the advice of a qualified health care provider for any questions you may have regarding any medical condition, so that they can address your individual needs.
🔅They are ONLY meant to help students of medicine and health sciences with studying, and should be used for just that purpose and absolutely nothing else.
Byte Size Med. All Rights Reserved.

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Thank you!! Hysteresis was not well explained in class and a other video was helping a little and THIS made it incredibly clear.

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Nursing school 30 years ago I couldn’t get my head around this lol this is a great explanation thanks!

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[@ibrahimhussain1115]

Great video as usual before my exam tomorrow. I have a question, I get confused about static and dynamic compliance/resistance, if you could explain how it relates to compliance overall ? thanks

[@bytesizemed]

Hi! Honestly compliance confuses me a lot. But from what I’ve read, the static compliance is the compliance when there’s no air flow and dynamic would be when there is air flow. So dynamic would have to include airway resistance as well. I hope that helps. Good luck on your exams! 😊

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why does the chest wall tend to expand outward at rest?

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[@bytesizemed]

Thank you! You’re very kind. I’ll add that to the list of upcoming videos 😊

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[@noorulhuda1571]

Why chest wall recoil outward?

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I hated respiratory physiology but because of you I’m acing my exams after tomorrow

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[@kabirdas2921]

But why does the chest wall have outward compliance ?

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Why lung compliance is more in standing position????

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[@marycandieantoinedomingo4340]

Is Chest-wall compliance is same as lung compliance?

[@bytesizemed]

They’re related and both contribute to the breathing mechanics, but not the same.

[@haramhalal5912]

@@bytesizemed then what’s the actual difference between them?

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ASooper

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I genuinely won't lie this was more confusing Love your videos but you added a bit too many numbers that I'm not sure are necessary loll

[@user-nr6yi4fn6o]

Ma’am it’s uss moment when you said lung compliance really annoyed me 😢

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huh??