Respiratory Therapy - Shunt vs Deadspace 

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Thanks, you too!

That's so true, Charlene! You are so right! Understanding trumps memorizing everytime.

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Yes sir! Glad this content aligned with your current studies. And yes, it's all about the WHY! WHY>HOW Thanks for watching and commenting, Jay!

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That's awesome, Stacey! Go knock it out the park. I'll be patiently awaiting to hear how it goes.

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Working on this now! Thanks again Maria for watching and commenting. How's the progression of your department coming along?

Things are well. Life is good. Thank you for making the video. Looking forward to watching it and sharing with others😁

Hey Naveen! Thank you!

You're pushing me outside of my realm and into the world of neonates and pediatrics. Definitely my weakest subject area! Maybe I can get one of my neo/peds experts to join me for this discussion. We'll see! Thank you for watching!

Respiratory Coach thank you for responding. I’ve recently had to take care of a vented patient with a PFO and I wasn’t able to find much info on how to manage the ventilation for these patients. You have really good content and info so I figured I’d ask lol.

Hey Nigel! Try this link and tell me if it helps. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-z42ZGcc0jAw.html

@@RespiratoryCoach The link does a great job of explaining the difference between shunt and deadspace. But it doesn't speak about the different types of shunts.

Just in general or in reference to a specific ventilator? Also, I'm assuming you're referencing the control panel buttons, not the settings controls, right?

?????

Here's the answer provided on another video. Thank you for asking this question. Shallow doesn't change the amount of deadspace, but what does change is the percent of deadspace. For example, a patient with 120ml of deadspace, breathing a tidal volume of 500, equals a Vd/Vt of 120/500 = .24 or 24% deadspace. Alveolar tidal volume in this example is 380 mL. Now take the same patient, 120 mL of deadspace, breathing a tidal volume of 240, much smaller right? This patient's deadspace is the same amount as the previous example, but their Vd/Vt = 50%. This patient's alveolar tidal volume is 120 mL (240-120). So this illustrates that shallow breathing doesn't change the amount of deadspace, but it directly impacts Vd/Vt and alveolar tidal volume. Hope that makes sense and helps. Thanks for watching and asking your question.

@@RespiratoryCoach and what about deep breathing?

@@awaisshafi6541 The exact opposite. Doesn't change amount of deadspace, but decreases Vd/Vt percent, and increases alveolar tidal volume.

@@RespiratoryCoach dead space does not change in ? Deep breathing Shallow breathing That was question in exam😥