Forces on the Lung System

[@shereenjadallh8867]

you're lecture is amazing and you're example from the real life is make it easy to understand thank you Dr

[@DrBeenMedicalLectures]

Thank you dear. Check drbeen.com for more lectures.

[@piyushsharma8960]

I was trying really hard to understand these forces, even kaplan failed to teach me. But you did sir! Brilliant job, we need more teachers like you! Wish i could contact you and take all that academic information.

[@xc5346]

Dr. Been you has given s the best explanation I could find! You make everything so easy to understand God bless you! Thank you so much!

[@anthonyholloway2221]

thank you, thank you, and thank you again. Your teachings here gave me way more than my instructor at school! i actually feel confident about the subject now!

[@princeibrahimabu7562]

Dr been you are doing great.Jazaakallahu hair.

[@kwofirolland7569]

Dr. Been you are doing a good job...God bless you for that...your videos are wonderful, understandable and detailed...thank u once again but can u pls do a video on the voltmeter mechanisms in Electrocardiogram...the deflections I mean..u said that in your explanation of the ECG basis. Would appreciate it

[@DrBeenMedicalLectures]

Thank you. Will do.

[@andre178]

great explanation, I do want to add that transpulmonary pressures are always POSITIVE. only in pathologic states it would be otherwise.

[@drhorton100]

Thank you so much...your lecture are easy to understand,I started to listen all your lectures now

[@awaismehmood690]

Thanks you sir your lecture is very very helpful with examples and complete understanding God blessed you sir

[@tomasnunes4831]

Thank you, from the Lisbon Faculty of Medicine.

[@dr.nasirhussain4213]

One of the greatest sir ...I really love ur way of explaining ..really outstanding. Thanks sir ..may Allah bless u

[@ddaisy8800]

I'm so confused here. I just saw another lecture where it was said that the Trans pulmonary pressure is same as Transmural pressure. and also the value of the transmural pressure is always positive and is equal to that of intrapleural except for the charge. and here Dr. Been says the exact opposite.

[@sweetyshanza1559]

Great job 👌👌

[@dr.ipshitamohanty8716]

Osm lecture 👍🙏🏼

[@drsguruprasad]

God Bless You Sir for spreading the knowledge. The surface tension is a tangential force. In a soap bubble, the surface tension of the film compresses the encapsulated air as the net effect of surface tension is to reduce the diameter. with the same analogy, in the Alveolus, since the cavity is spherical, the effect may be to squeeze the air out until balanced by tissue forces (i don't know the correct term). Since the air pressure would be very near to atmospheric pressure, the surface tension of fluid, tissue force would both together balance the atmospheric pressure. Kindly correct my understanding / inference. with lots of Respects.

[@DrBeenMedicalLectures]

That's correct.

[@raulescobar2626]

thanks a lot, you are helping to make sens to everything

[@muhammadsaqib1754]

Well done sir..so nice..thankuoo fr sharing

[@medstudent1504]

Thanks, your lectures are very helpful. Do you have lectures on the different transport channels present on nephron in its process of making urine

[@azamahmed8169]

Ammmazing explanation Dr.. You helpful me alot, Keep going please

[@DrBeenMedicalLectures]

Good to know. Study well.

[@augustinaewur6423]

Thank you very much Dr and your cat is so nice

[@SamiUllah-dm3yp]

very nice lecture

[@DrBeenMedicalLectures]

Thank you.

[@zarehdarakjian2476]

Thank you Dr. Been. Great! Question: isn't -7.5 - (-1) = -6.5 and not -8.5 as I think you mention? Thank you.

[@FaizanKhan-nw8ku]

Clarification here too... isn't transpulmonary pressure the same as transmural pressure? and if that is the case, then isn't the equation for transmural pressure P(tm) = P(A) - P(IP) < intrapulmonary pressure? at around 21:00 Dr. Syed said that if you subtract the (-1) - (-8) you get -7. Shouldn't it be +7? Because the books state as the transmural pressure becomes more positive, the lungs expand, as they become less positive, they shrink. I don't want anyone, myself included, to get the wrong concept. Help and knowledge are appreciated. Thanks. -Faiz

[@jonen9494]

He is discussing transpulmonary pressure, not transmural. Maybe that's why?

[@piyushsharma8960]

He did made a mistake! We should just focus on the stage of lung, then deduce the alveolar and pleural pressure and then just substract them. Once we understand how to deduced these, we automatically know what stage is the lung in!

[@twinklebohra7057]

Sir can you please make a video on modes of ventilation , you explain so well, it would be really helpful 🙏 thank you.

[@DrBeenMedicalLectures]

Will do!

[@sparshagarwal6111]

Dr. Been, So, what happens to the size of the alveoli when we inhale and exhale (My guess will be when we inhale we are filling the air in the balloon so the size should increase). Also, can we have negative transpulmonary pressure (My book tells me that the definition of transpulmonary pressure as Pressure in alveoli - Pressure in the Pleural cavity) Lastly, what will happen if I increase (excess) the concentration of surfactant in my body by taking synthetic surfactants? How will it alter the function of my lungs? It will be great if you could answer some of my basic questions regarding respiratory system functioning.

[@asifkhanpathan41]

Great