Hypersensitivity Type I reaction (Immediate or allergic reaction) - pathophysiology
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- čas přidán 23. 11. 2019
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"Hypersensitivity reactions are exaggerated or inappropriate immune response to benign antigens. It is the immune response and not the antigen that is harmful. An external antigen such as a drug, pollen or food can elicit an inappropriate immune response.
Hypersensitivity Type I is a antibody mediated reaction. It is also called the immediate hypersensitivity reaction because it is fast. An allergic reaction is a type I hypersensitivity reaction and really involves recognition of an antigen by primed IgE immunoglobulins on mast cells."
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During my study years in med school u were my best teacher, and now i am a doctor and i am preparing for my residency exam , everytime i forget something or found it hard i run to ur videos , thank u armando for
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Respected sir.
I am one of your big fan. When Inwas studens I have seen all of your videos related to HAP and Microbiology. Now Inbecome teacher but still I am your students. I have recommended my all students tongo through your channel. Being a creator i know how hard it is to make videos. Thank you so so much.
I always found this such a hard topic as a student! This video will help a lot of people 👍😁
Literally had a lecture on this last week, this was great to consolidate my knowledge THANKS 😁
this video is a major help for understanding a quite complicated topic! mad respect 🙌🏻
Ohh this new way of your videos is so better, old ones are so good too but they're like polluted with red color. I adore this
Great breakdown of the physiological process the body goes through within an allergic response. Thank you for the illustration and presentation. We’ll done sir.
Starting to do the background studying/reading for my thesis that relates to allergic reactions, thanks for a great video! :)
Your videos helped me so much in my studies, thank you for existing,
These videos are really excellent, thank you!
Thank you so much Sir....lots of love from Zambia🇿🇲
Your videos are always the best stay blessed
Tqsm. 😘😘✌️✌️✌️for this video it helps a lot to understand the immunity concept
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Thank you...
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Thanks this was very helpful and Can u make other types of hypersensitivity too?
Thanks for the information presented.
Thank youu for evrything ❤️
Indeed!
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Could you do one on the Endo-Cannabinoide sistem?
Why is IgE specific to an antigen in Type I Hypersensivity reaction? If I'm not mistaken, the only two cells that can "see" or "touch" antigen are antigen representig, T and TH2 cells, while IgE is represented by B cells.
This is the best
Thanks
THank you !!
🙏 thank you
Is there a cure or a way to reverse hipersensitivity? I have been developing reactions to all types of foods and vitamins. My immune system is very, or in this case, hypersensitive. Will appreciate your response, as I have a very short and current list of foods that I can eat. I believe I have type 1 hypersensitivity.
May I know what are the pens that you used here??
Jazak ALLAH ❤️🌺
Thanks.
Where can i get a copy of your flow chat diagrams? It's Very helpfull.
3:54 (bookmark, ignore)
This video was great! By chance, are you from South Africa?
Nops..he is from Australia..
Related Cells:
1) Antigen Presenting Cells (APC)
2) [T Lymphocytes] => T Helper 2 (Th2) Cells
3) B Cells - [IgE Plasma Cell]
4) Mast Cells & Basophils
your website stopped working :/
عالی بود عالی👌👌👌🌹🌹🌹🌹🌹
Greetings to you all, I want to thank Doctor Alued for everything I am glad I went through the internet for this Allergy treatment .and other skin dieses And thank you so much for answering all my questions on time. thought I am in US. i am now free from my skin dieses
I want to learn how to sketch. How do you do it so effortlessly
I'm currently in the hospital for Anaphalactic Shock. I got bit by a tick that stays on mammals (4 legged animals) it hopped off and bite me injecting the venom inside of me. Now whenever I eat mammals my whole body gets hives all over them, my blood flow constricts to my heart, and I get a heart attack. This disease will eventually go away but for now I just can't eat mammal. I'm currently in the hospital bed typing this right now because I accidentally ate mammalian meat, I will be out tomorrow but I almost died this time because my heart stopped.
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What about swartzmannn reaction ??? And u didn't mention about type 5 hypersensitivity...??
Type 5 hypersensitivity discovered later.Not metioned by Gell and Coombs.They classified only upto type 4 hypersensitivity.And all we studied classification given by Gell And Coomb.
you are good but in this vid it is not the best, you missed the type 2 T helper cell for example and couple important points! step by step you will be the best ;)
🎉
I am from India ❤
👍☺
Your way of explaining the video is quite good. It will be easier to understand if you include a good background sound.
What causes a reaction to become systemic rather than staying localised?
Vasodialation and smooth muscle relax after the mast cell degranulation. When it is in excess tissue of the body, it is called systemic anaphylaxis.And in local anaphylaxis it is only upto specific tissues.