The lesions sometimes become active again later in life, perhaps caused by a number of factors including stress, concurrent disease, or old age griffin, 1989. Ppt pulmonary tuberculosis powerpoint presentation free. The inflammation could occur due to a bacterial, viral, or fungal infection. In 2006, the emergence of extensively drugresistant tuberculosis xdrtb was first reported. What is tuberculosis if youre seeing this message, it means were having trouble loading external resources on our website. The bacteria affects mainly the lung parenchyma but it can also affect other parts that is meninges, kidney, bones. Start studying pathophysiology of pleural effusions and tuberculosis vc. Tuberculosis and its manifestations with treatment revised. In most forms of the disease, the bacillus spreads slowly and widely in the lungs, causing the formation of hard nodules tubercles or large cheeselike masses that break down the respiratory tissues and form cavities in the lungs. The entry of mycobacterium tuberculosis into our body causes of tube. Chapter 2 transmission and pathogenesis of tuberculosis. Mycobacterium tuberculosismycobacterium tuberculosis non motilenon motile. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Tuberculosis is a dangerous bacterial infection that attacks your lungs.
Dec 07, 2017 tuberculous meningitis tbm is difficult to diagnose, and a high index of suspicion is needed to make an early diagnosis. Pathophysiology of pleural effusions and tuberculosis vc. Review on microbiology and pathophysiology of tuberculosis. Mar 18, 2006 tuberculosis is the leading cause of death from a curable infectious disease. Oct 30, 2017 in this lecture the pathophysiology and pathogenesis of tuberculosis has been discussed. It can develop when bacteria spread through droplets in the air. Harsh mohan textbook of pathology has been fully revised to provide the most up to date information on the latest developments in the field. A positive result indicates that a person has been infected with the tuberculosis bacteria at some point in his or her life. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Tuberculosis case study tuberculosis respiratory tract. Intestinal tuberculosis tuberculosis introduction etiology epidemiology pathophysiology 46. Find powerpoint presentations and slides using the power of, find free presentations research about pathophysiology of tuberculosis ppt.
Tuberculosis is unique among the main disease killers of the developing world in that it afflicts nearly all age groups. It us also caused by breathing in air droplets from a cough or sneeze of an infected person. Mycobacterium tuberculosis is a human pathogen that has had a staggering global impact. If you are unable to attend a conference but want to present your research work, we have a solution for you. Etiology pulmonary tuberculosis tb is caused by the bacteria mycobacterium tuberculosis m. Cutaneous tuberculosis has various clinical and morphological forms depending on the mode of entry and whether it is primary or secondary infection. Tuberculosis harrisons principles of internal medicine.
Recent studies have found that nk cells produce il22, which was induced by il15 and dap10, an adaptor protein that is known to be involved in nk cell activation, in response to m. Definition tuberculosis tb is a potentially fatal contagious disease that can affect almost any part of the body but is mainly an infection of the lungs. Best book to read for ug exams and even for reference in entrance exams. Infectious droplet nuclei are generated when persons who have pulmonary or laryngeal tb disease cough, sneeze, shout, or sing. This healthhearty writeup provides information on the pathophysiology of pneumonia. They disperse primarily through coughing, singing, and other forced respiratory maneuvers by people who have active pulmonary or laryngeal tb and whose sputum contains a significant number of organisms typically enough to render the smear positive. Mar 02, 2020 tuberculosis tb see the image below, a multisystemic disease with myriad presentations and manifestations, is the most common cause of infectious diseaserelated mortality worldwide.
Learn more about how its spread, whos at risk, symptoms, treatment, and prevention. The prevalence of tuberculosis tb can be traced back to 24003400 bc, and the disease still continues to remain as the global threat affecting approximately 10 million people per year. Reproduced with permission from immune responses to tuberculosis in developing countries. Tuberculosis is a hypersensitive granulomatous infectious disease caused by mycobacterium tuberculosis m. Inquire about the patients medical and social history, including recent contact with patients with tuberculosis tb. Pneumonia is a pulmonary infection that is characterized by the inflammation of the lung parenchyma. Tuberculosis, infectious disease caused by mycobacterium tuberculosis. Tuberculosis tb is an infectious disease that usually affects the lungs, though it can affect any organ in the body.
Mycobacterium tuberculosis an overview sciencedirect topics. Tuberculosis is a prototypical granulomatous infection. Definition tuberculosis is the infectious disease primarily affecting lung parenchyma is most often caused by mycobacterium tuberculosis. Spinal deformities typical of those resulting from m.
Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Harsh mohan pathology pdf 7th edition pdf is available to download. Tuberculosis generally affects the lungs, but can also affect other parts of the body. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Tuberculosis results almost exclusively from inhalation of airborne particles droplet nuclei containing m.
Pneumonia is a lung condition wherein the parenchyma of the lung becomes inflamed. May 15, 2014 intestinal tuberculosis tuberculosis introduction etiology epidemiology pathophysiology 46. If youre behind a web filter, please make sure that the domains. This presentation composed of the definition, causes, pathophysiology, clinical feature, diagnosis. Pathophysiology tuberculosis rvs chaitanya koppala. Pathophysiology tuberculosis rvs chaitanya koppala 2.
Department of health and human services, cdc, october 2012. In this paper, current understanding of various immune processes that lead to the establishment of latent m. Describe the causative agent of pulmonary tuberculosis tb transmission of tb factors influencing the transmission of tb pathogenesis of latent tb pathogenesis of active tb. At the end of this presentation, participants will be able to.
In this lecture the pathophysiology and pathogenesis of tuberculosis has been discussed. We are organizing a conference on pharmaceuticals conference in berlin, germany during july 27 28, 2020. In the 1950s, outbreaks of the disease declined and many scientists believed the disease would be eradicated. Promise of new treatments childhood tuberculosis is fundamentally different from adult tuberculosis. Although tb rates are decreasing in the united states, the disease is becoming more common in many parts of the world. Ppt pathology of tuberculosis powerpoint presentation. Tuberculosis case study free download as powerpoint presentation. Tb disease is suspected clinically when a person presents with the symptoms mentioned above usually together with abnormal findings on a chest xray. Download the tuberculosis case study pdf patient background. The granuloma prevents the dissemination of mycobacteria and provides a pathway for immune cell communication. Harsh mohan textbook of pathology pdf download direct link. Tuberculosis made easy everything about it slideshare. Transmission occurs when a person inhales droplet nuclei containing. The burden of tb in many countries is compounded in those who have co infection with the human immunodeficiency virus hiv.
The global tuberculosis situation is dire, but now is also a time of great promise and discovery for the disease. It is caused mycobacterium tuberculosis, which was first isolated in 1882 by robert koch, a german physisian, who received the nobel prize for this discovery. Ive downloaded your program because my dad has been suffering from diabetes for. Numerous advances have been made in our understanding of the epidemiology, risk factors, and pathophysiology of tuberculosis, and new diagnostics and treatment for all forms of tuberculosis infection and disease are appearing on the horizon. The mycobacterium thrives in the upper lung lobes given the high oxygen content. Tuberculosis tb is an infectious disease usually caused by mycobacterium tuberculosis mtb bacteria. View and download powerpoint presentations on pathophysiology of tuberculosis ppt. Definition tuberculosis tb is a potentially fatal contagious disease that can affect almost any part of the body but is mainly an infection of. Read and learn for free about the following article. Pathophysiology of tuberculosis ppt doctor answers on. Most infections do not have symptoms, in which case it is known as latent tuberculosis. Patient a is a 30yearold male who was admitted to the hospital from home after 1 week of cough, profuse nocturnal sweating, loss of appetite and hyposomnia. Reported tb cases united states, 19822011 ses year cdc. Pathogenesis of tuberculosis pathogenesis in a previously unexposed, immunocompetent person depends on the development of anti mycobacterial cell mediated immunity,which confers resistance to bacteria and development of hypersensitivity to mycobacterial antigens.
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