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System – Pulmonary

This category comprises disorders of the pulmonary system that cause damage to tissues and/or dysfunction of its organs.

The upper airway includes the mouth, nose, pharynx and larynx. The lower airway, called the pulmonary tree, includes these passageways: trachea, bronchi and bronchioles that carry air in and out of the lungs and end at the alveoli (air sacs where oxygen is absorbed from inhaled air and carbon dioxide from blood is exhaled.)

Candida Albicans Infection

What Is Candida Albicans Infection? Candida albicans infection, called candidosis or candidiasis, is an opportunistic invasion of mucous membrane or skin by candida albicans, an endogenous yeast found in 40 to 80% of normal human beings. A former name for ...

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Tuberculosis – Increased Susceptibility 

What Is Increased Susceptibility To Tuberculosis? Tuberculosis (TB), is an infectious disease caused by a bacteria called mycobacterium tuberculosis. It is characterized by chronic bacterial infection most commonly affecting lungs that develops in stages. Increased susceptibility to tuberculosis menas the person’s ...

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Iron Deficiency

What Is Iron? Iron is an essential mineral that is required for normal body function. Almost two-thirds of iron in the body is found in hemoglobin, the protein in red blood cells that carries oxygen to tissues. Smaller amounts of ...

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Sarcoidosis

What Is Sarcoidosis? Sarcoidosis is a multisystem granulomatous disease characterized by hard granulomas and inflammation of the alveoli in lungs that occurrs in 80% of patients. Alveoli are the tiny one cell thick round structures that are clustered at the ...

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Pulmonary Hemosiderosis, Idiopathic  (Lane-Hamilton Syndrome)

What Is Idiopathic Pulmonary Hemosiderosis? Pulmonary hemosiderosis (IPH) is a rare and severe pulmonary syndrome characterized by a triad of recurrent episodes of alveolar hemorrhage (bleeding into air sacs), hemoptysis (coughing blood), and iron deficiency anemia. Q: What is the prognosis ...

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Bronchiectasis

What Is Bronchiectasis? Bronchiectasis is a pulmonary disorder characterized by chronic dilation of bronchi (main airways) and bronchioles (small airways) with chronic inflammation and swelling, increasing the risk of infection. In bronchiectasis, mucus produced to trap foreign substances, such as ...

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Asthma

What Is Asthma? Asthma is a chronic immune respiratory condition characterized by narrowing and inflammation of the lung airways (large bronchi, bronchial tubes and small bronchioles) in response to an allergen as the trigger or stimulus. As such, asthma occurs ...

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Tuberculosis – Non-Response to Treatment 

What Is Non-Response to Tuberculosis Treatment? Non-response to treatment for tuberculosis means that proper medical treatment failed to control active disease. Tuberculosis is an infection that may be dormant or active. Q: What happens in active tuberculosis? A: Tuberculosis is ...

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Pulmonary Permeability, Increased 

What Is Increased Pulmonary Permeability? Increased pulmonary permeability is a mucosal defect in the lung characterized by alteration of the normally tight epithelial  blood-air barrier in the lung apparently caused by inflammation. Q: What is the blood-air barrier in the ...

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Abscess Formation Causing Lung Cavities

What Is Abscess Formation Causing Lung Cavities? Abscess formation and subsequent lung cavities that develop from necrosis (death) of affected lung tissue constitute severe life-threatening respiratory disease  of the lung. Q: What is the difference between lung abscess and lung ...

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Cystic Fibrosis 

What Is Cystic Fibrosis? Cystic fibrosis is a genetic disease of the exocrine glands which causes the body to produce abnormally thick and sticky mucus and results in progressive damage to the respiratory system and digestive problems. Severity of disease depends ...

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Pneumococcal Septicemia 

What Is Pneumoccocal Septicemia? Pneumococcal septicemia (sepsis) is a life-threatening syndrome characterized by a cascade of systemic (body-wide) inflammatory responses to lung infection caused by bacterial infection spread to the bloodstream. It is fatal in about 40% of cases, showing ...

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Bronchoalveolitis Leading to Bronchitis and Pneumonia

What Is Lymphocytic Bronchoalveolitis? Lymphocytic bronchoalveolitis is a pulmonary disorder characterized by lymphocytic airway inflammation of the bronchi (main passageways branching from the windpipe), bronchioles (small passageways), and alveoli (air sacs) at the end. The chronic, productive cough that develops ...

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