Diseases And Disorders Of The Respiratory System

Diseases and Disorders of the Respiratory System
Infections:
URI or upper respiratory system infections, are infections that occur in the nose and pharynx. Colds, sinus infections, and strep throat are all types of URI’s.
LRI or lower respiratory infections, affect the Larynx, trachea, bronchi and lungs. Colds, influenza (flu), bronchitis, and pneumonia are all different types of LRI’s.

Asthma
Asthma can be caused by many different factors. Some include allergies, exercise, sometimes people develop as a child and it never goes away. Treatments include, inhalers with vasodilators like Albuterol, Steroids.
What it is, is a condition where the bronchi and bronchioles close down or constrict restriction the flow of air to the alveoli.

Emphysema
A condition that is caused by smoking mainly.
After awhile a smokers lungs will develop emphysema. The bronchioles will sometimes collapse and the alveoli will become stretched not allowing the lungs to push air out like they are supposed to, this causes shortness of breath and other problems.
There is no cure for emphysema, The treatment for it includes being placed on oxygen, and other types of breathing treatments that help open up passages. Or they can do a transplant.

LUNG CANCER
Lung cancer can be caused by many things the chief cause is smoking. Exposure to chemicals or materials such as asbestos, or dust like concrete or coal dust can cause it.
What is lung cancer? Cancer is caused by a mutation on a single cell in this case in the lungs, The cell begins the process of reproducing, during this the DNA doesn’t replicate correctly. The cell then doesn’t do its job, and reproduces more cells that also don’t do their jobs.

Pneumonia
Is caused by a preexisting infection. Some type of LRI, a cold, allergies, or flu.
Is the filling of the lungs by an overproduction of mucus in an effort to try and stop or hold off an infection.
What it does is, the fluid keeps the person from getting enough oxygen this makes them weaker, making them sicker, and can eventually kill them
Can be cured by combating the infection causing the build up of fluid.

Flu
Also known as influenza, is a virus. Because of the nature of how a virus spreads the flu can overwhelm the bodies defenses, causing fever, coughing, stuffy nose, sneezing, fatigue.
The really dangerous part of the flu is fever.
The flu is dangerous to old people and very young people because their immune systems are not as strong.

Bronchitis
An infection in the bronchial tubes, it causes the person affected to cough, because the mucus glands are overproducing mucus to help get rid of the infection.

Colds
The cold virus in also known as the rhino virus.
Stuffy nose, coughing, congestion, fever.
Not deadly dangerous unless a person has something wrong with their immune systems.
The cold virus mutates like the flu virus does making it impossible to cure.

Diseases And Disorders Of The Respiratory System

by Canton Middle School on Mar 10, 2010

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