Respiratory | External Respiration: Ventilation Perfusion Coupling

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  • Опубліковано 22 січ 2025

КОМЕНТАРІ • 310

  • @zdangor7289
    @zdangor7289 6 років тому +293

    I've never seen someone teach with such passion and sincerity.. Thank you so much

  • @gia3586
    @gia3586 5 років тому +115

    Zach,
    I'm a Term 1 medical student and I just want to stop by and tell you how much I appreciate all your videos. I'm on my last week of the first term and we have our CPR2 exam coming up and your videos have clarified so many points in their lectures. A year ago my father died from a massive pulmonary embolism. As you can imagine, its very difficult for me to listen to these concepts and understand just how much he went through during his final moments. He's my sole motivation for becoming a doctor. I hope I can make him proud in the years to come but as of right now I've been able to accomplish that thanks to you and your channel! I look forwards to watching many more of your videos throughout my medical school journey. Thanks again!!!

  • @ashtonm.3825
    @ashtonm.3825 3 роки тому +75

    This guy is the only reason I'm getting through med school....lol. I just want to know who the 21 people are that didn't like the video!!!!!!!!! (probably faculty members seeing their jobs going away)

    • @JSG818
      @JSG818 11 місяців тому +1

      i was thinking the same thing!

    • @ebbawaqgizachew7687
      @ebbawaqgizachew7687 11 місяців тому

      😂😂😂👍👍👍👍

    • @brainboosteredu.3928
      @brainboosteredu.3928 8 місяців тому

      Real

    • @kentyiluminada7676
      @kentyiluminada7676 2 місяці тому +1

      he is great I actually enjoy his videos, I’m learning from videos he made like 7 years ago 😂

  • @jonathanparrott8942
    @jonathanparrott8942 4 роки тому +43

    You guys are saving me a lot of heart ache with my pulmonary physiology lectures. Humble thanks! Your efforts are greatly appreciated!

  • @emilyroloff2619
    @emilyroloff2619 4 роки тому +25

    Thank you so much. I'm in dedicated right now studying for Step 1, and this is the first time I've ever understood ventilation and perfusion. Ever. I cannot thank you enough.

  • @yellowpurples832
    @yellowpurples832 3 роки тому +4

    OMG!! This is absolutely fantastic!! If you understand the basic concept - like what you are explaining, you can never get lost anywhere in Respiratory Pathophysiology!! Thank You Very much!

  • @brianaschaffner8272
    @brianaschaffner8272 3 роки тому +3

    First year veterinary student here and your channel has been a lifesaver for all my physiology courses, so I wanted to comment a big THANK YOU!!

  • @Superhuman831
    @Superhuman831 7 років тому +44

    best teacher ever! seriously thank you for helping me get through my physio in the course of 6 weeks -_-...yes 6 weeks. I learn more from you then my professor so I stay home and study my chapters with ninja nerd. Thank you

    • @NinjaNerdOfficial
      @NinjaNerdOfficial  7 років тому +14

      +Breeann Barcelona wow! Thank you for the kind words they mean so much. You are a brave individual for taking a physiology course in six weeks. I hope these videos really helped and I wish you the best of luck in your future endeavors.

    • @riteshdeshmukh8672
      @riteshdeshmukh8672 5 років тому +2

      Ninja Nerd Science sir iam really thakfull for your teaching....earlier hardly i studied that toowith fear...afteri started watching ur videos,iam studying out ofjoy now sir

  • @TLKK2020
    @TLKK2020 5 років тому +10

    Holy moly he’s freakin’ good! Better at teaching than my instructors! He makes it so simple and straight to the point!

  • @JamilehGh
    @JamilehGh 3 роки тому

    Words are useless to appreciate.Finding this channel was the best event in my entire life

  • @sarahrast7534
    @sarahrast7534 3 роки тому +1

    I actually understand what you were teaching. Thank you so much for helping a difficult class in nursing school make sense

  • @andrewopp.4554
    @andrewopp.4554 Рік тому

    This man is a genius he teaches and explains things that you didn't understand in your past physiology lecture in class. God richly bless🙏 your for passion and sincerity to let every student comprehend.

  • @lejlagegic5929
    @lejlagegic5929 4 роки тому +10

    WHAT ELSE TO SAY THEN: I LOVE STUDYING WITH NINJA NERD!! THANK YOU FOR HELPING ME BECOME A DENTIST :-)

  • @menasalman8534
    @menasalman8534 4 роки тому +9

    YOU COME THROUGH EVERY SINGLE TIME OMG I APPRECIATE YOU SO MUCH

  • @randihowey3680
    @randihowey3680 5 років тому +6

    Your video was awesome!! I never comment on these things, but you deserved a response. Keep it up, Ninja Nerd!!! On my way to watch more.

  • @MaryDiaz-tc9ql
    @MaryDiaz-tc9ql 2 роки тому

    Zach, i'm in respiratory school and I got to tell you man you've saved my butt so many times with your videos. Thank you for your hard work!

  • @danielhernandez8668
    @danielhernandez8668 4 роки тому

    Im beginning to think the people who dislike this video are the professors who "teach" the subject but suck at explaining it. What a bunch of haters. You rock dude keep it up!

  • @leahgunderman3733
    @leahgunderman3733 Рік тому

    Helping me get through CRNA school!!! This page is such a blessing

  • @passuss
    @passuss 11 місяців тому +1

    the best channel for med students!!

  • @annaflores4322
    @annaflores4322 3 роки тому +5

    Always such great explanations! I am rewatching the pulmonary lectures and they make so much more sense.

  • @langhejoel9272
    @langhejoel9272 3 роки тому +1

    U guys did it again men making my exams brighter i appreciate mates

  • @mwizakondowe3366
    @mwizakondowe3366 3 роки тому +7

    Respiratory Physiology has always been a nightmare for me to study until I came across your lectures. Thank you so much for taking the time to explain intricate information to such simplicity. Keep up the awesome work.👏👏👏

  • @chilalaphinious8602
    @chilalaphinious8602 3 роки тому

    these videos have really helped in a wide range.

  • @JayyThao
    @JayyThao Рік тому

    I’m a student nurse anesthetist. I wish my physiology course would just post your videos instead of their lectures. You’re awesome.

  • @sairagul5058
    @sairagul5058 4 роки тому +1

    Just Awesone .... I go into ecstasies whenever I watch your videos . It helps me alot in my medical studies . Thank you soooooo much💞💞💞💞💞❣😊

  • @kaspack10
    @kaspack10 4 роки тому +6

    best videos ever - actually makes learning this stuff, dare I say, FUN?!

  • @utkutekumit6515
    @utkutekumit6515 2 роки тому

    outstanding. cheers mate from Turkey,
    you're saving lives i can say that !

  • @daawaaaaa
    @daawaaaaa 4 роки тому

    THANK YOU SO MUCH! I felt lost between my papers understanding nothing about respiratory physiology and you saved my life❤

  • @brunaiglesias5542
    @brunaiglesias5542 2 роки тому

    This is some of the best content ever

  • @quaintonquaint5486
    @quaintonquaint5486 Рік тому

    Perfect videos for Respiratory Therapy school, thank you so much!

  • @brainboosteredu.3928
    @brainboosteredu.3928 8 місяців тому

    Thank you so much for this video, you're literally saving lives.

  • @marypaye1730
    @marypaye1730 4 роки тому +1

    You broke that down to the ground! Amazing Job!

  • @samoei3780
    @samoei3780 6 років тому +7

    Wow! this is exremely wonderful. Thanks alot, you made this things very easy.
    Point of correction- The lower zones of the lung ventilate better than the upper zones and the middle zones have
    intermediate ventilation.

    • @samoei3780
      @samoei3780 6 років тому

      In addition ventilation perfusion ratio increases three times in the apex than in the base

    • @SunShine-vq9sz
      @SunShine-vq9sz 3 роки тому

      But in that won't the v/q ratio be disturbed?Could u explain why u think ur point is right?

  • @jessicalynn4062
    @jessicalynn4062 6 років тому +1

    you give the human body it's proper dues! love your videos. big thank you!

  • @afaf6765
    @afaf6765 4 роки тому +8

    Tomorrow I have an exam on all respiratory subjects and you are saving my life❤❤❤😢thank you sir.
    Edit: my exam was so hard 💔

  • @luizcosta9359
    @luizcosta9359 6 років тому +2

    I am brazilian and this video helped me so much

  • @danielmaroa3344
    @danielmaroa3344 4 роки тому +2

    Thanks you so much for the presentation on V/Q ratio .
    It was amazing .
    Great.

  • @katherinevargas3525
    @katherinevargas3525 4 роки тому +1

    This was so perfect and helpful in every way! one of my favorite videos on UA-cam.

  • @nyananguei1928
    @nyananguei1928 3 роки тому +1

    Extremely perfect!
    I really enjoyed it bro. Congratulations

  • @5amendoza
    @5amendoza 6 років тому +5

    You are a wonderful teacher! Thank You for helping me through pathophysiology

  • @BlaackAnchor
    @BlaackAnchor 6 років тому +77

    At time 27:30, you said that ventilation decreases from apex to base, but actually it increases from apex to base of the lung. Perfusion also increases from apex to base, but much more significantly that we have a lower V/Q at the base.

    • @caidenlu
      @caidenlu 6 років тому +2

      but shouldnt air goes against the direction of the gravity?

    • @BlaackAnchor
      @BlaackAnchor 6 років тому +2

      @@caidenlu we are talking about ventilation here, not just air. Thanks for your input....

    • @caidenlu
      @caidenlu 6 років тому +2

      @@BlaackAnchorbut isn't ventilation the movement of air? but i get youre right, just still got confused here about why

    • @caidenlu
      @caidenlu 6 років тому +2

      @@BlaackAnchor is it because at the end of expiration, the FRC at the apex area is more than the bottom, so the ventilation at the apex is considered lower?

    • @omarnakhleh6600
      @omarnakhleh6600 6 років тому

      @@caidenlu The ventilation is low because the cross sectional area (surface area) is low in the apex of the lungs

  • @elizabethjoecha
    @elizabethjoecha 4 роки тому +1

    Thank you so much for the video on V/Q. This is awesome.

  • @frankbeattie7242
    @frankbeattie7242 2 роки тому

    I became a member and the extra notes are amazing thank you so much

  • @MedecineStudent
    @MedecineStudent 2 місяці тому

    Thank youuuu so much our DR 💝💝💝💝💝💝💝💝💝💝💝💝💎💎💎💎💎💎💎💎💎💎💎💎💎🌼🌼🌼🌼🌼🌼🌼🌹🌹🌹🌹🌹🌹🌹🌹

  • @mgt6984
    @mgt6984 4 роки тому

    Thank you very for your lecture. It’s easier to understand than reading the book

  • @العبدالحقير-خ4ب
    @العبدالحقير-خ4ب 5 років тому +2

    You deserve all my respect ... thanks alot .... thanks again🌸🍃

  • @JCon_22
    @JCon_22 4 роки тому

    wanted to let you know Ninja Nerd. you have helped me so much man. literally could not get this down until i watched your video a few times. working toward the Flight Paramedic Certification which, there are no classes to teach the material just a book. so just wanted to let you know. HUUUUGE Help!! couldn't have done it without you.

  • @ghadeer5184
    @ghadeer5184 4 роки тому +2

    Mannnn you're the best and you're genius 😭♥️♥️ I really don't know how to thank you but you really help me in my studying.. ♥️ Hi from Iraq 🇮🇶

    • @egor7008
      @egor7008 Рік тому

      طلع دكاترة العراق كسر 😂

  • @aleenakashif987
    @aleenakashif987 4 роки тому +5

    I love your lectures! Clarifying my concepts now after completing my med school lol. I wish i had found your lectures earlier. Love from 🇵🇰

  • @priyad5899
    @priyad5899 3 роки тому

    He literally made it simple. Thankyou!

  • @vinesh7732
    @vinesh7732 Рік тому

    Zack you are king❤ much love from Sweden ❤

  • @amandakling7815
    @amandakling7815 2 роки тому

    Love this guy. Such a good teacher!

  • @shimab8898
    @shimab8898 2 роки тому

    Lots of love to you sir! You made this topic so much easier to understand 😀

  • @Ak-Kahf
    @Ak-Kahf 5 місяців тому +2

    Idk why we humans after seen all these amazing things still believe there is no creator and it’s all just present
    ‎‏Subhan Allah❣️

  • @deenahbyramjee2817
    @deenahbyramjee2817 4 роки тому +1

    your videos are so amazing. THANK YOU! THANK YOU! THANK YOU!

  • @prashantpirthee2737
    @prashantpirthee2737 4 роки тому

    best teaching ever

  • @aaryaalone2667
    @aaryaalone2667 2 роки тому +3

    Thankyou for everything 🙏🙏

  • @ankitatomar4679
    @ankitatomar4679 9 місяців тому

    Best explanation ever ❤

  • @ledamorales5079
    @ledamorales5079 5 років тому

    you are the best teacher ever!!

  • @biotedlecture5133
    @biotedlecture5133 4 роки тому

    Love and a great respect from india .....very passionate teacher u r....bdw I m also a biology teacher 😊😊😊

  • @Un.knwn.saki6r
    @Un.knwn.saki6r 11 місяців тому

    Thought yall were capping but this a game changer fr

  • @himesama664
    @himesama664 5 років тому

    Your videos are of great help! Keep it up. Man you're explanations are better than my professor who teaches 3hours🤣

  • @uswahmazhar8812
    @uswahmazhar8812 4 роки тому

    what a conceptual lecture it was.....well done....more power to you...

  • @merraiii
    @merraiii Рік тому

    Wow great video Zach

  • @hadiahassan8276
    @hadiahassan8276 5 років тому +5

    You’re brilliant!

  • @sajibahmed4121
    @sajibahmed4121 4 роки тому

    Sir, you teach us from the root of the topics that i love... Sir can u make a video on chest x-ray..there are many lectures on xray but all are boring....

  • @adventurwithken412
    @adventurwithken412 6 років тому +1

    You are just too much.Thank you so much for your help. God bless you.

  • @victoriagoetz9002
    @victoriagoetz9002 2 роки тому

    Thank you Ninja Nerd!

  • @gabbyajok1178
    @gabbyajok1178 Рік тому

    Thank you, Ninja Nerd. 💯

  • @deanignatius750
    @deanignatius750 4 роки тому

    Love these lectures 💕

  • @zainabsaleem1738
    @zainabsaleem1738 Рік тому

    Such a great effort Sir 🙌💯

  • @tayyabakhan6632
    @tayyabakhan6632 4 роки тому +1

    This is really wonderful

  • @pavlinameldadube8895
    @pavlinameldadube8895 Рік тому

    Thank you for the best lecture video and they are understandable

  • @dondamishitha468
    @dondamishitha468 4 роки тому

    Untill i saw ur lectures for the God sake i really hate physiology
    Our lectures would say anything clearly
    They even don't knw wht rubish they were teaching us
    Ur excellent 💯 teacher
    U were helping all 1st yr students sooo much ☺thnk zach sir

  • @athraaimad6859
    @athraaimad6859 5 років тому +5

    Hello u said that ventilation is better in the top(apex ) of the lung ,but actually it should be decreased bec all books said that lower zones of the lung ventilated better thant upper ,i wish u explain!! + ur the best in explaining physiology

  • @aom.c9237
    @aom.c9237 10 місяців тому

    You just save my life!!!

  • @ritikpandat316
    @ritikpandat316 Рік тому +1

    Thanks ❤

  • @ibysplumbingvideos9684
    @ibysplumbingvideos9684 5 років тому

    Good video pal. Very well explained. Thanks.

  • @Asma-rs1qz
    @Asma-rs1qz 4 роки тому

    you're really the best

  • @neet-py9sz
    @neet-py9sz 4 роки тому

    Ventilation increases from apex to the base. Please correct it ! Other than that ! A big fan ! Great job zack !

  • @THE______TRUTH
    @THE______TRUTH 4 роки тому +43

    I feel like you should have emphasized that the smooth muscle in the arterioles contracts and relaxes because capillaries dont have smooth muscle and so the illustration can be misleading.

  • @hb6839
    @hb6839 6 років тому +2

    You're a godsend!

  • @RachelP7911
    @RachelP7911 5 років тому

    You da real MVP

  • @گمنامبسیجی
    @گمنامبسیجی 7 місяців тому

    Thank you professor God bless you❤

  • @hasnayakine7752
    @hasnayakine7752 5 років тому

    Love your explanation 👏

  • @abhishekgholap1300
    @abhishekgholap1300 4 роки тому +29

    28:00 . Isn’t Ventilation more at the base of the lung? Ref: Ganong’s

    • @akshitverma3328
      @akshitverma3328 4 роки тому +2

      The ventilation being talked abt is in the alveoli and not outside the alveoli..the ventilation will be more at the base but that phenomenon is applicable to the outside of the alveoli

    • @rachellugtu2776
      @rachellugtu2776 4 роки тому +4

      Ventilation and perfusion is higher at the base and lower at the apex of the lungs. However, V/Q ratio is higher at the apex and lower at the base.

    • @karthikeswaras2159
      @karthikeswaras2159 4 роки тому +1

      Yes due to gravity

    • @shayandin9709
      @shayandin9709 3 роки тому +1

      this doesnt make sense to me either

    • @shayandin9709
      @shayandin9709 3 роки тому

      @@rachellugtu2776 if the perfusion is lowest at the apex then whould the apex of the lung not try and match the ventilation therefore at the top of the lung would have a high ventilation?

  • @murtazaali4102
    @murtazaali4102 3 роки тому

    Thanks alot for making it easy to understand ...

  • @ikramkhelafi3721
    @ikramkhelafi3721 4 роки тому

    i like the way u teach with ! thank u for helping us

  • @gideonbitrus5489
    @gideonbitrus5489 Місяць тому

    5 hours to my exams. This is saving me.

  • @codychoigang
    @codychoigang 2 роки тому

    amazingly helpful

  • @drdeb_ocherry
    @drdeb_ocherry 5 років тому +1

    Your amazing, excellent teacher! Thank you.

  • @usama.r.rehman
    @usama.r.rehman Рік тому

    Thanks 😊 sir for your efforts.

  • @mixmashmoments_342
    @mixmashmoments_342 Рік тому

    And you just told at 16:10 😂❤
    Thank u...
    I should have wait for 2 minutes 😅😅

  • @niraisubramani4640
    @niraisubramani4640 4 роки тому

    This helped me so much !! Thank you.

  • @Fereshteh_Ranjbar
    @Fereshteh_Ranjbar Рік тому

    Great job! Thanks

  • @teddylahiri6951
    @teddylahiri6951 3 роки тому

    YOU ARE THE BEST, THANK YOU!!!

  • @Sprinklefrogzz
    @Sprinklefrogzz Рік тому

    Thank you for this video❤

  • @mohamedeltoum8296
    @mohamedeltoum8296 2 роки тому +3

    Check the description guys

  • @georgih1217
    @georgih1217 2 роки тому

    i love your videos so much

  • @malazidris3499
    @malazidris3499 2 роки тому

    Amazing dr thanks sooo much 🌺🌺🌺🌺🌺🌺