Hypersensitivity reactions knowledge for medical students and. Biomednet magazine offers free articles from trends, current opinion, cell. Type i hypersensitivity igemediated hypersensitivity causes. Powerpoint is the worlds most popular presentation software which can let you create professional hypersensitivity and allergy powerpoint presentation easily and in no time. A free powerpoint ppt presentation displayed as a flash slide show on id. Hypersensitivity hypersensitivity also called hypersensitivity reaction or intolerance refers to excessive, undesirable damaging, discomfortproducing and sometimes fatal reactions produced by the normal immune system.
Download hypersensitivity reactions ppt free presentation. Hypersensitivity and autoimmunity type iv hypersensitivity the three forms patch testing for contact hypersensitivity summary or hypersensitivity reactions. Allergy stop allergies and allergic reactions hypersensitivity. Can i have the leptospirosis an update ppt for academic purpose. Type 4 hypersensitivity this immunology lecture video explains about type 4 hypersensitivity reactions that is caused by the hyper reactions of. Ppt hypersensitivity powerpoint presentation free to. Ppt hypersensitivity reactions powerpoint presentation free to download id. Hypersensitity, and types of hypersensitivity i, ii, iii, iv 1. The adobe flash plugin is needed to view this content. Innocous materials can cause hypersensitivity in certain individuals.
Innate immunity is the first immunological, nonspecific antigenindependent mechanism for fighting against an intruding pathogen. Hypersensitivity responses are a group of reactions in which the immune system functions a defensive role and produces damaging result. Hypersensitivity reactions, or allergies, are damaging reactions of the bodys immune system to a specific substance. I suggest that the premise that these reactions represent hypersensitivity manifestations is. The normal immune response, overview on hypersensitivity, types of hypersensitivity. Hypersensitivity reaction hypersensitivity or allergy an immune response results in exaggerated reactions harmful to the host there are four types of hypersensitivity reactions.
Learn hypersensitivity reactions with free interactive flashcards. Wait for the extraction to finish and download your ppt. Find powerpoint presentations and slides using the power of, find free presentations research about hypersensitivity ppt. It is a rapid immune response, occurring within minutes or hours after aggression, that has no immunologic memory.
Ppt type iii hypersensitivity powerpoint presentation. Many druginduced hypersensitivity reactions such as bullous, pustular, and some morbilliform skin eruptions that are presumed to. Hypersensitivity reactions require a presensitized immune state of the host. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Immunology 1 hypersensitivity and allergy notes 10th february 2011 learning objectives. Diabetes mellitus powerpoint presentations free download 1 diabetes basics ppt. Ppt hypersensitivity reactions powerpoint presentation. Hypersensitivity hypersensitivity allergy is an inappropriate immune response that may develop in the humoral or cellmediated responseswas first termed anaphylaxis a free powerpoint ppt presentation displayed as a flash slide show on id. Allergy type of hypersensitivity reactions of the immune system. Hypersensitivity to antibiotics johns hopkins university.
Basics of hypersensitivity, symptoms, causes, summary of mechanisms of action the 4 types. Hypersensitivity reactions are usually influenced by both. Choose from 500 different sets of hypersensitivity reactions flashcards on quizlet. The stages of a delayedtype hypersensitivity reaction. Download free allergy powerpoint templates for ultimate allergy presentations download the free allergypowerpoint templatesunder this section for those ultimate allergy powerpoint presentations. The consequences of a hypersensitivity reaction may. Hypersensitivity introduction, causes, mechanism and types. On this page, you will find the direct link to download the hypersensitivity reaction ppt presentation. Hypersensitivity hypersensitivity immunological reaction refers to undesirable immune reactions produced by the normal immune system. Hypersensitity, and types of hypersensitivity i, ii, iii, iv slideshare. In basic terms, the immune system has two lines of defense. Normally the immune system plays an important role in protecting the body from microorganisms and other foreign substances.
Khan hypersensitivity reactions final 2011 immune system. Uses of tuberculintype reactions demonstration of past infection with a. If the activity of the immune system is excessive or overreactive, a hypersensitivity reaction develops. This helps you give your presentation on hypersensitivity and allergy in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. This section of the website provides medics with a huge library of free allergy ppt templates with topics like cold and flu, asthma, respiratory system. Generally speaking, hypersensitivity reactions occur in response to external. Outline the mechanisms by which ige, antibodies, immune complexes and t cells can cause tissue damage and inflammation the four types of hypersensitivity, giving examples of the. The first phase involves uptake, processing, and presentation of the antigen by local antigenpresenting. Once you have read this section you will be familiar with the 4 main types of hypersensitivity reactions that can be produced by the immune system. Hypersensitivity refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity these reactions may be damaging, uncomfortable, or occasionally fatal. Hypersensitivity is increased reactivity or increased sensitivity by the animal body to an antigen to which it has been previously exposed. Type iv hypersensitivity reactions or cellmediated reactions gell and coombs conceived several organspeci.
The gellcoombs classification of hypersensitivity reactions. Type iii hypersensitivity arthus reaction or immune complex type iii hypersensitivity arthus reaction or immune complex. Fpasmap department of microbiology our lady of fatima university slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Generally, an ebook can be downloaded in five minutes or less. Hypersensitity, and types of hypersensitivity i, ii, iii, iv. Once a foreign substance enters the body, specific antibodies are. Use the smallpdf converters to save your ppt to pptx files easily. Sometimes immune responses may be out of proportion to the damage that me be caused by a pathogen. Type i hypersensitivity, or sometimes igemediated hypersensitivity. Hypersensitivity reactions require a presensitized immune state of. This presentation also used for types of allergies ppt,allergy signs and symptoms ppt,allergy overview presentation. Systemic anaphylaxis potentially fatal due to food ingestion eggs, shellfish, peanuts, drug reactions and insect stings characterized by. Ananthanarayan and panikers textbook of microbiology.
The immune system may also mount an overly vigorous response to a relatively harmless antigen, such as pollen or a food molecule, hence the term hypersensitivity. Hypersensitivity reactions can be divided into four types. Gell and coombs classified hypersensitivity reactions into four types. React and disappear quickly on reexposure to ag dysfunction rather than severe tissue and cell damage occurs obvious individual difference and genetic correlation. View and download this allergy powerpoint presentation and get answers about allergies. Hypersensitivity refers to undesirable damaging, discomfort producing and sometimes fatal reactions produced by the normal immune system. Gell and coombs classification of hypersensitivity reaction type description time mechanism typical manifestations typeiii immune complex 28h ag ab complexes localized arthus mediated deposited in various reaction hypersensitivity tissues induce c acti generalized reactions. This article gives you a clear structure of hypersensitivity and its types. Affordable and search from millions of royalty free images, photos and vectors. Hypersensitivity reactions basics authorstream presentation. Hypersensitivity also known as being a highly sensitive person hsp is not a disorder. Nonproper reaction of the immune system to foreign substances slideshow 56871 by sabine.
Hypersensitivity reactions occur when the normally protective immune system. Lecture on hypersensitivity reaction this lecture explains about the four different types of. Type i, type ii, type iii, type iv types i, ii and iii are antibody mediated type iv is cell mediated. Hypersensitivity, overview of the 4 types, animation. Immediate hypersensitivity reactions are mediated by ige, but t and b cells play important roles in. Symptoms of hypersensitivity include being highly sensitive to physical via sound, sigh, touch, or smell and or emotional stimuli and the tendency to be easily overwhelmed by too much information. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. This video and similar imagesvideos are available for instant download licensing here. Type iv reactions are mediated by t lymphocytes and cause delayed hypersensitivity reactions, the most typical examples being delayed maculopapular exanthem and contact dermatitis from topically applied drugs. Enjoy a collection of cartoon powerpoint templates for free download. For the love of physics walter lewin may 16, 2011 duration. Ppt type iii hypersensitivity powerpoint presentation free to download id. The body normally secretes antibodies, cells produced by the bone marrow, and other cells to fight against foreign substances.