Primary Concepts

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@andrewsadler8088 Күн бұрын

By far the best resource I have used on this concept. Keep them coming! Thanks

@amjadali737 6 күн бұрын

Volume issue

@adlinahuda3615 10 күн бұрын

thank youuu 🙌🏻🙌🏻🙌🏻🙌🏻 great explanations 😊😊

@SisandaTiya-px7wg 15 күн бұрын

Please make more videos. Quality is amazing

@user-jr6qn9nm3j Ай бұрын

Thank u sm sir , but there is something that I didn’t get … from where does the N2 came ?

@PrimaryConcepts Ай бұрын

Nitrogen is present throughout lungs during the respiratory cycle (assuming the patient is breathing air). At the start of the test, a single breath of 100% oxygen is taken. When the patient starts to exhale, it will be gas from the anatomical dead space which leaves first. This hasn't mixed with any of the existing gas within the lungs (by definition) and so contains no nitrogen. As exhalation continues, we begin to see a contribution from the non-dead space volume. This contains nitrogen from breathing air BEFORE the single breath of 100% oxygen was taken. Hope that helps

@timm1844 Ай бұрын

your videos are excellent, thank you!

@_suri._ Ай бұрын

Awesome explanation. But please turn up your volume, it’s very difficult to hear you even at the highest volume on my device.

@PrimaryConcepts 3 күн бұрын

Thanks for letting me know. Volume issue resolved in the link above

@walatalalaw Ай бұрын

Awesome video, very clear, especially the assumption at the end which cleared it all up for me (I couldn’t understand how we routinely measured PACO2)

@user-ci5zb1vl4t 2 ай бұрын

You didn’t even explain about the partial pressure part that’s why your like is so little

@PrimaryConcepts 2 ай бұрын

All feedback welcome. Feel free to dig into the weeds of this topic: www.sajaa.co.za/index.php/sajaa/article/download/2528/2824

@p0oxini 2 ай бұрын

Thanks!! Can't be explained better than this!!

@MohamedAshraf-we7dr 2 ай бұрын

Very helpful thank you

@stjepanbabaicmihovilovic5884 3 ай бұрын

This is the best video explaining the equation, thanks so much for your job. I just have one question where did you get this derivation from? I've been looking for papers and textbooks trying to explain this but with no results. I was wondering if you have some resourses about this topic, specificly explaining the derivation of the equation

@PrimaryConcepts 2 ай бұрын

Glad it was helpful. Here is an excellent paper from Cruickshank describing principles behind the derivation: watermark.silverchair.com/mkh008.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAA00wggNJBgkqhkiG9w0BBwagggM6MIIDNgIBADCCAy8GCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMZZBgGfeKmar8i9pRAgEQgIIDACcOfX6UtI25NCaqnQvS9vt0cIHB47suZO9jF7tUpnP12KmN-SG8_IgkuV9GwC82UmVhx0XQCYUh6FcW5khheI3sy_SXkyeIOyOIDdLeFfoOMvqyNmCQUVR69ZFJ5TXlXM3auXO52kK9zhXJdPJsdmQZSSqNWimyPk1GwwW47MH9fCHy7WegMrZqtHtB9clW5ldItRIgHh-hFlJxAoUqQuFplGXsPcmoJJPDX6SpWKd_aHayWxrZD4LjBmnUlPotZYIxCRgtnGk5u-gHwIs21WN-Hobpi2ds670Ad8TO9gLWx30g7OhDu9kgnxk9JsFY0um9EWCaQ6UoT7KASXxFyP1V5M0lriOjtjDn7t4HnILxlxJQsUhqXbkowxWpwjj4T6902weFtoe_KB5WH0c-RdPQh42N5aPZ6-4Q_ILVVblsqn6Cev9qPyJ_JgnUh7weKet6jfNb0DHQC48y29kffh5kvbRu9Ijd-tqJsWsruus04b4gIDANSnKWyHlCWW1i4L0yObIx60qPICyc1jWHKg5oafzdPS3vaxaDTC9XDw34WiH3OojN3K5jAQgRfs2tzCp8kLofTVvSON7zrbbpZZ1jdK3IOmYITa8ojf53LnUMZJeRH8LVRU8Fca1kMELwKqQI6DJKw3LwC3GOeYgD-aeya4ejiZWYQwZT8y1fqj0N3PJWvDE3pbmBQJxXnjgWKJp8aIfK2ycMyUctwZOTa0-T3dgSYPZLFh80aAP1wpCooSPDisute0PvsJcmTrtNnO9c0Acq85U0pMoZmJIJvQSWkr6I_vByBWGike_2oYWSIyOdInUEPr2l_5hRlngD7rpN5keEA4BLfQL_gjJbFuSkp7C-1hYnT2Y8XzMZ3sH3AVAKyOdE78KV1vjMeYRjYRP6AxOIkmtQCdnbsDt5jAh80-SyYUbmNHBvU0zlOx0Tn1_ATgL5sVcIUzYpMWqTIx0VV7PGOxAqcCpzpOhWOfVGffqESgRWU5oi18Dr_jAm7mmzk8sHDlzuyu3eqWRtHQ

@StratoJohn 3 ай бұрын

Great explanation 👍🏻

@Happy-th1jl 3 ай бұрын

Thank you very much, this is a perfect explanation, cannot wait for the concentration effect!

@PrimaryConcepts 3 ай бұрын

Coming soon!

@dominicduncombe4692 3 ай бұрын

Thank you!

@LukeA1293 3 ай бұрын

Thanks, great video, and useful comment at the end about situations on ICU in which ETCO2 might not match up with PaCO2 on the ABG.

@LukeA1293 3 ай бұрын

Thank you very much - this was a great video!

@StratoJohn 3 ай бұрын

Hey, been getting through your videos today. Criminal that they don't have more views, they're great, thanks for the great explanations

@PrimaryConcepts 3 ай бұрын

Thanks for your comments. Spread the word!

@inockmaluleke7960 3 ай бұрын

excellent

@PrimaryConcepts 3 ай бұрын

Thanks!

@ohospadi6897 3 ай бұрын

Thanks a lot for your videos! My respiratory physiology class is a total nightmare and you helped very much to understand this concept

@PrimaryConcepts 3 ай бұрын

Glad you found it useful!

@jlk9239 4 ай бұрын

Great video! Many thanks for that! I am currently working my way through West's Respiratory Physiology followed by Pathophysiology as an anesthesia resident and am really impressed with the didactic clarity. Do you know of any comparable works for cardiovascular physiology and pathophysiology? Best regards from Germany!

@PrimaryConcepts 4 ай бұрын

This is a wonderful book by Chambers which formed the basis of my revision for the FRCA. www.cambridgebookshop.co.uk/products/basic-physiology-for-anaesthetists?variant=42184468857071&currency=GBP&gad_source=1

@jlk9239 4 ай бұрын

Really enjoy watching your videos while reading West's Respiratory Physiology! Keep up the great work! Greetings from Germany!

@PrimaryConcepts 4 ай бұрын

Danke schön! Glad you found it helpful. West's book is an absolute masterpiece - definitely worth investing the time to go through it.

@edwina9223 4 ай бұрын

Thank you ever so much for sharing your channel and knowledge. A really interesting and well broken down video. I found the use of colour for different parts really helped too to keep up with what you were saying. Thank you 😊 I'm definitely on a mission to watch the rest of your videos. Thank you.

@PrimaryConcepts 4 ай бұрын

Thanks for the feedback - glad you found it useful!

@rutvin8763 5 ай бұрын

Omg thank you so much for this wonderful explanation! I find this eqn a bit easier to understand intuitively if I see it as basically a version of Boyle's Law (P1V1 = P2V2) comparing the end-inspiration and end-expiration states. The pre-post and derivation slides in this vid help make this clearer.

@PrimaryConcepts 5 ай бұрын

Thanks for your comment and glad you found it useful! It's a very similar argument for the shunt equation in terms of conservation of mass.

@markhuman3026 6 ай бұрын

The best explanation around for FRCA candidates

@PrimaryConcepts 6 ай бұрын

Glad it was helpful!

@yekhantlu786 7 ай бұрын

Thank you so much. I am currently learning anesthesiology for my post graduate degree. This is exactly what I am looking for. Thank you.

@PrimaryConcepts 5 ай бұрын

Glad it was helpful!

@emmilyyyyy7 7 ай бұрын

Brilliant video - thank you. Would love to watch the Fowler's method video you mentioned too!

@PrimaryConcepts 7 ай бұрын

Coming soon!

@tombiddles 8 ай бұрын

Great explanation thanks. Keep it up!😁

@miraaqutab587 11 ай бұрын

You’ve done a wonderful job ❤

@paulinekerckhoffs3774 Жыл бұрын

Thanks very much for the great explanation. A question though - when explaining how t1/2 and time constants are related, how did you go from ln(1/2) to -ln2?

@PrimaryConcepts Жыл бұрын

You're welcome. The terms In(1/2) and -In2 are equivalent. It's because of the quotient rule: ln(a/b) = In(a) - In(b) In this case, a is 1 and b is 2 So In(1/2) = In1 - In2 Since In1 = 0, you're just left with -In2. Hope that helps.

@raman092 Жыл бұрын

This has to be the only video so clearly explaining the equation in its entirety. Brilliant!!!!!!!!

@ImaliWijesekara Жыл бұрын

Very well explained. Thank you so much

@dimitrichristy630 Жыл бұрын

amazing thankyou!

@Negith Жыл бұрын

🤜🏼🤜🏼🤜🏼🤜🏼🤜🏼

@shravanav9834 Жыл бұрын

gold

@hayleerodrigues4786 Жыл бұрын

it very much has helped thank uuu mwah mwah

@marissabritolee214 Жыл бұрын

Wow, wish you were my teacher🙌🏼

@rashadsaad3058 Жыл бұрын

Thank you

@manurana7929 Жыл бұрын

Amazing videos . Thankyou.

@atapirmoradi5858 Жыл бұрын

Thank you it is great presentation

@woodywoody94 Жыл бұрын

please do more primary videos

@josephspiking4027 Жыл бұрын

Can you make more of these videos please!

@dhandapani9870 2 жыл бұрын

Thank you so much. You are such a blessing

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