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Pulmonary Tuberculosis

Yaaaaay tuberculosis! :D

Tuberculosis IsNeat

on 20 December 2012

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Transcript of Pulmonary Tuberculosis

Pulmonary Tuberculosis Respiratory System Developing and Infecting Detection/Diagnosis Systems Affected To sum up... Intro • infectious disease
• can infect many different systems and organs in the body
• Pulmonary TB refers to Tuberculosis in the lungs
• Pulmonary is the most common one
• affects humans as well as animals
• TB is the #1 cause of death in all of history
• • can be contracted by inhalation, often when constantly around an infected person

• bacteria called "Mycobacterium Tuberculosis"

• hardy rod-shaped bacteria

• bacteria enveloped by white blood cells

• can go two ways:
~ body's system is strong enough to contain the virus, and it goes dormant
~ body's system previously weakened, and its immune system can't stop virus from multiplying and growing • process is very slow – symptoms may not show for years, depending on individual -asymptomatic

• virus eats away tissue of lungs that would otherwise carry out the respiration process • symptoms:
~trouble breathing, ~weakness,
~high fever,
~and many more

• victims may cough up blood due to a ruptured blood vessel, which the virus has eaten into • Two main tests:
Skin Test
~ inject a fluid, tuberculin, into arm
~ return in 48 days
~ if bump developed, test for positive/negative for TB Blood Test
~ draw blood
~ test which measures how immune system reacts to germ that causes TB
~ if positive, it means you are harbouring the virus, not necessarily developed
~ must have X-ray and phlegm test to confirm severity • numerous drugs to treat TB
• some strains are immune/resistant to some drugs • if not treated, may eat into arteries and cause hemorrhage (serious internal bleeding)

• will also invade neighboring cells works with the circulatory system to support cellular respiration
oxygen enters/carbon dioxide exits the blood with the help of this system Inhalation: diaphragm contracts, ribs move up and out
Exhalation: diaphragm relaxes, ribs are lowered air goes through the trachea, bronchi, bronchioles, and finally alveoli (where gas exchange takes place) Tuberculosis is a lung disease originally, but the infection can spread
Infected blood in the lungs can travel to other organs in the body
TB can form tiny abscesses on the membranes covering the brain and spinal cord If the bacteria reaches the lymph nodes, this can cause multiple problems - including fistulas, which are "abnormal openings" between organs or between an organ and the body's exterior • Tuberculosis can infect any organ - in the lungs, it is called pulmonary tuberculosis
• pulmonary tuberculosis affects the respiratory system
• contracted by inhaling
• virus is deadlier paired with a weakened immune system
• can be dormant and asymptomatic
• can spread through blood stream to any other organ
• diagnosed with skin test and blood test Andra Popescu, Sabrina Ochisor Fun Facts in the process of find a cure for Tuberculosis, drugs like Prontosil (which treated many infections, like blood poisoning) were discovered. Prontosil eventually lead to the discovery of Penicillin, one of the most famed antibiotics known to man

tuberculosis was such a ravaging disease, that the breakthrough of the first cures for the virus was so huge and effective, it cause the American Tuberculosis Society to change it's name and purpose to The American Lung Association.

about one third of the world's population carries tuberculosis
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