Hypersensitivity Type I reaction (Immediate or allergic reaction) - pathophysiology

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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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Опубликовано:

23 ноя 2019

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Комментарии : 68

@fjo8066 4 года назад

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 the 1000 times that u save me ❤️❤️❤️

@solutionpharmacy 4 года назад

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.

@howtomedicate 4 года назад

I always found this such a hard topic as a student! This video will help a lot of people 👍😁

@faidaufaira572 4 года назад

this video is a major help for understanding a quite complicated topic! mad respect 🙌🏻

@mjdy4577 4 года назад

Literally had a lecture on this last week, this was great to consolidate my knowledge THANKS 😁

@robmaldonado5489 Год назад

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.

@kachouriii 4 года назад

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

@brtseif 3 года назад

Starting to do the background studying/reading for my thesis that relates to allergic reactions, thanks for a great video! :)

@tamaradaka9393 3 года назад

Thank you so much Sir....lots of love from Zambia🇿🇲

@AndyG_MTB 3 года назад

These videos are really excellent, thank you!

@selmader9986 2 года назад

Your videos helped me so much in my studies, thank you for existing,

@iqrazulfiqarghouri7299 2 года назад

Your videos are always the best stay blessed

@morphine_1mg 4 года назад

Tqsm. 😘😘✌️✌️✌️for this video it helps a lot to understand the immunity concept

@tafheemmakhdoomi Год назад

Thank you for this. You're a life saver❤🙌

@syedahnaqvi4903 3 месяца назад

excellent videos!! you're the best teacher!!! thank you for sharing your knowledge so wonderfully!!!!

@Dr.NishaSyedh 4 года назад

You are doing a great job sir Thank you...

@poecilia1329 2 года назад

Your video is really helpful!

@babayhendrayani7728 4 года назад

I like the way ur explaining, and i always wonder with ur talent in drawing

@bogdan19992 3 года назад

Thanks for the information presented.

@user-uu9kn5ti5h 3 года назад

Amazing... thanks from Iraq 🇮🇶

@charafgheskili5738 4 года назад

Thank youu for evrything ❤️

@howtomedicate 4 года назад

Indeed!

@uzmasindh9737 3 года назад

your videos are amazing

@hanskellynogua7110 2 года назад

Thankyou so much I learnt alot. 🙏💯👍

@muskanpundir9572 4 года назад

Thanks this was very helpful and Can u make other types of hypersensitivity too?

@amirabdullah9570 4 года назад

Thanks for the information.......

@theclassroomdoc Год назад

Thanks so much!!

@fahadkarim107 Год назад

You are a gemm, thankyouu so muchh ❤

@prajaktapatil6130 3 года назад

Thank you so much

@humility1st 4 года назад

Thank you.

@ashutoshmishra6641 3 года назад

Thanks

@elitokihaste 4 года назад

You are awesome!

@CC-lq3ie 4 года назад

Excellent ✌

@aluda1417 3 года назад

This is the best

@maram1maram 3 года назад

thank u so much keep up I wait for you to make another vidéos about biological laboratory workup

@niduresidue 3 года назад

Thank you so much, this really helps me T^T

@heartkelvin9031 3 года назад

Thanks.

@user-lg2tx7sk3p 10 месяцев назад

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

@jahazielgarrido661 4 года назад

Could you do one on the Endo-Cannabinoide sistem?

@manlix1415 3 года назад

THank you !!

@molivers2024 Год назад

🙏 thank you

@qamaralam7117 3 года назад

Jazak ALLAH ❤️🌺

@Akbarali_Olimov 4 года назад

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.

@user-lg2tx7sk3p 10 месяцев назад

3:54 (bookmark, ignore)

@jesusdanielramirez 4 года назад

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.

@smart9924 4 года назад

May I know what are the pens that you used here??

@amaasare5645 Год назад

I want to learn how to sketch. How do you do it so effortlessly

@neilbernard5615 4 года назад

This video was great! By chance, are you from South Africa?

@ritikabounthiyal6427 4 года назад

Nops..he is from Australia..

@margaretj.kwaiga3280 2 года назад

Where can i get a copy of your flow chat diagrams? It's Very helpfull.

@prestonmoore9996 3 года назад

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.

@chritoarxto6108 Год назад

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

@emmafury786 3 года назад

omg...i am addicted

@Govexam018 4 месяца назад

I am from India ❤

@fatemehazhdari1105 2 года назад

عالی بود عالی👌👌👌🌹🌹🌹🌹🌹

@ramana2166 4 года назад

What about swartzmannn reaction ??? And u didn't mention about type 5 hypersensitivity...??

@Trending_India_1 4 года назад

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.

@ahmadnn7056 4 года назад

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 ;)

@anomaly444 Год назад

your website stopped working :/

@saranawzad7019 3 месяца назад

🎉

@daisyweston8538 4 года назад

What causes a reaction to become systemic rather than staying localised?

@Trending_India_1 4 года назад

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.