Pulmonary Tuberculosis
- Created by: hannahx
- Created on: 04-01-13 18:56
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- Pulmonary Tuberculosis
- causes
- Mycobacterium tuberculosis
- Mycobacterium bovis
- symptoms
- persistent cough, coughing up blood and mucus, chest pains, shortness of breath and fatigue
- fever and lose weight due to a reduction in appetite
- course of infection
- 1. immune system cells build a wall around the bacteria in the lungs
- forms small, hard lumps known as TUBERCULES
- 2. Infected tissue within the tubercles dies, the gaseous exchange surface is damaged so tidal volume is decreased
- 3. Tuberculosis also causes fibrosis, which further reduces the tidal volume
- 4. If the bacteria enter the bloodstream, they can spread to other parts of the body
- 1. immune system cells build a wall around the bacteria in the lungs
- transmission
- DROPLET INFECTION - when an infected person coughs or sneezes, tiny droplets or saliva and mucus containing the bacteria are released from their mouth and nose.
- if an uninfected person breathes in these droplets, the bacteria are passed on
- tends to be much more widespread in areas where hygiene levels are poor and where people live in crowded conditions
- can be prevented with the BCG vaccine, and can be treated with antibiotics
- DROPLET INFECTION - when an infected person coughs or sneezes, tiny droplets or saliva and mucus containing the bacteria are released from their mouth and nose.
- causes
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