This video series was created by the Faculty of Nursing at the University of Alberta with support from eLearning Services -- Faculty of Nursing. All rights reserved. For demonstration purposes only. In clinical settings artificial nails are not permitted.
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What is Legionnaires disease? Legionnaires disease is a severe form of pneumonia lung inflammation usually caused by infection. Legionnaires disease is caused by a bacterium known as legionella. The legionella bacterium also causes Pontiac fever, a milder illness resembling the flu. Separately or together, the two illnesses are sometimes called legionellosis. Pontiac fever usually clears on its own, but untreated Legionnaires disease can be fatal. Although prompt treatment with antibiotics usually cures Legionnaires disease, some people continue to experience problems after treatment. https://www.youtube.com/watch?v=pUhXnki2BRA/ Causes and Common Sources Legionella is a type of bacterium found naturally in fresh water. When people are exposed to the bacterium, it can cause illness (Legionnaires disease and Pontiac fever). This bacterium grows best in warm water, like the kind found in Hot tubs Cooling towers (air-conditioning units for large buildings) Hot water tanks Large plumbing systems Decorative fountains https://www.youtube.com/watch?v=LcH9o4PCpsY/ Exposure and Transmission People are exposed to Legionella when they breathe in a mist or vapor (small droplets of water in the air) containing the bacteria. One example might be from breathing in droplets sprayed from a hot tub that has not been properly cleaned and disinfected. Less commonly, Legionella can be spread via aspiration of drinking water, which is when water goes down the wrong pipe, into the trachea (windpipe) and lungs instead of down the digestive tract. People at increased risk of aspiration include those with swallowing difficulties. In general, Legionella does not spread from one person to another. However, this may be possible in rare cases. Most people exposed to the bacteria do not become ill. If you have reason to believe you were exposed to the bacteria, talk to your doctor or local health department. Be sure to mention if you have spent any nights away from home in the last two weeks. Symptoms Legionnaires disease can be hard to diagnose because its symptoms are similar to other types of pneumonia and it often looks the same on a chest x-ray. The most common symptoms of Legionnaires disease include: Cough Shortness of breath High fever Muscle aches Headaches These symptoms usually begin 2 to 10 days after being exposed to the bacteria, but it can take longer so people should watch for symptoms for about 2 weeks after exposure. Treatment There are three major classes of antibiotics that are effective in treating legionellosis. These include the fluoroquinolones such as levofloxacin (Levaquin), and moxifloxacin (Avelox), the macrolides such as erythromycin, azithromyocin (Zithromax), and clarithromycin (Biaxin), and the tetracyclines including doxycycline (Vibramycin). A new class of antibiotics (glycylcyclines) are also effective. Pontiac fever requires no specific treatment. Subscribe for more https://www.youtube.com/channel/UCEecKDEGw4Ii9yRHRzh_Plw/
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