Pulmonary Diffusion Explained Clearly by MedCram.com

MedCram - Medical Lectures Explained CLEARLY

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Understand pulmonary diffusion and hypoxemia with clear illustrations from Dr. Seheult of www.medcram.com/?Y...
This is video 2 of the 5 main causes of hypoxemia: diffusion problems.
The other videos in this series on hypoxia explain high altitude, hypoventilation, shunting, and ventilation perfusion mismatch (VQ mismatch).
Speaker: Roger Seheult, MD
Clinical and Exam Preparation Instructor
Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine.
MedCram: Medical topics explained clearly including: Asthma, COPD, Acute Renal Failure, Mechanical Ventilation, Oxygen Hemoglobin Dissociation Curve, Hypertension, Shock, Diabetic Ketoacidosis (DKA), Medical Acid Base, VQ Mismatch, Hyponatremia, Liver Function Tests, Pulmonary Function Tests (PFTs), Adrenal Gland, Pneumonia Treatment, any many others. New topics are often added weekly- please subscribe to help support MedCram and become notified when new videos have been uploaded.
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Recommended Audience: Health care professionals and medical students: including physicians, nurse practitioners, physician assistants, nurses, respiratory therapists, EMT and paramedics, and many others. Review for USMLE, MCAT, PANCE, NCLEX, NAPLEX, NDBE, RN, RT, MD, DO, PA, NP school and board examinations.
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Produced by Kyle Allred PA-C
Please note: MedCram medical videos, medical lectures, medical illustrations, and medical animations are for medical educational and exam preparation purposes, and not intended to replace recommendations by your health care provider.

Опубликовано:

1 июл 2024

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Комментарии : 28

@Medcram 11 лет назад

Thanks for the feedback. A video on PFTs is coming soon.

@fishingsouls4christceoofgi614 8 лет назад

World class education!!! thank you for making such awesome videos available for ALL at no cost! Love notes from a community college student with buckets of gratitude

@neila2475 11 лет назад

Thanks Doc - I've learned so much from you. Any chance you would do a 12-lead EKG interpretation video series? It's a broad topic I know, but so many of us struggle with this very important topic.

@yagmur5082 5 лет назад

I am watching your videos for the last 3 years and they helped me a lot. Thank you very much, great videos!

@luul 11 лет назад

I'm excited for the PFT videos!

@ehartmiller 3 года назад

I have pulmonary fibrosis and this was very understanding thanks so much

@priscillaleary8682 7 лет назад

This was excellent! :D

@user-sc1dt4tq9o 4 года назад

Very good tutorial

@eyeofthetiger0030 11 лет назад

God bless you!!! You really have a talent of teaching these things. Just a natural, thank you so much.

@willow67EMTP 7 лет назад

When you speak about the changes in the interstitial membrane as being thickened, is there a possibility that this also happens in CHF, chronic bronchitis, where there is a fluid in the interstitial space as well? Also exacerbated by exercise. Or is this a physiological difference?

@peddireddydrs 9 лет назад

Thank you very much.

@austinsolak Год назад

Thank you sir! Great video :)

@xferdroid 10 лет назад

I enjoyed your lecture, What is the soft ware and hard ware you use to be able to draw in real time and record it?

@Dory014 8 лет назад

I was told by doctor after I had my gall bladder surgery that I was having very difficult time breathing during the surgery then I was put on oxygen with 3 lpm sometimes 4 now since October 20, 2015 and I seem to be very exhausted and low on oxygen when I try to lower to 1 or 2 lpm I immediately have headache and exhaustion during the evenings, at bedtime and next day feeling very weak. I tried to wean off but could not because of feeling weak and exhausted so I am totally depend on oxygen machine on continous not bursts. Is there a way to improve my exhaustion or make my lungs stronger and body stronger back to normal. This is very clear why my doctor diagnosed hypoxemia last october. Is there any damage to my bronchial tubes or some where in my lungs??? I have learned to accept to use oxygen 24/7. Thank you for this lecture (I am hearing impaired myself)

@spogmaiw 11 лет назад

Amazing!

@rnhanna2214 7 лет назад

can copd be an example of Shunt and asthma for hypoventation?

@DrGoldieMD 11 лет назад

I second that!!! EKG please :)

@kier2985 10 лет назад

With a diffusional problem why is PCO2 in the alveolus no affect as well? Just as O2 has trouble diffusing, wouldn't CO2 experience the same issue?

@tomlim9423 11 лет назад

it's to perfection...

@virgiliotorres8091 10 лет назад

Alguien sabe donde puedo conseguir videos como este en español ?

@lostmonkey18 11 лет назад

Would the PaCO2 be normal, b/c CO2 is not diffusion limited?

@klaymonkey9073 9 лет назад

So, the reason for why people with COPD have get so exhausted so quickly is because of reduced oxygen perfusion in the Aa gradient? If so, is this a V/Q mismatch specifically concerning the Aa gradient?

@riccarocktor 10 лет назад

please can you do a lecture on respiratory/metabolic acidosis/alkalosis and how to determine which is the primary cause?

@Idiotsincarshere 5 лет назад

It's been 4 years since you posted this comment, but in case you still need clarification.. Look at your pH. is it acidodic or alkalotic? then whichever it is, look for the abnormal value in the same direction (if alkalotic, is CO2 also alk aka low? or is HCO3 high aka alkalotic).. sometimes is both, combined acidosis or combined alkalosis although less likely. Hope this helps!