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METHODOLOGY TEXT BOOK 2009 2010.doc
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Diseases of the respiratory system

DISEASE

PNEUMO-

NIA

BRON-

CHITIS

COPD

ASTHMA

TB

LUNG CANCER

Definition

Bacterial or viral infection of the lung tissue

Inflammation of the bronchi

Chronic obstruction

Sudden but reversible narrowing of bronchioles

A contagious, potentially fatal infection

A malignant disease of the lungs

Risk factors

and/or causes

Pneumo-

coccus,

mycoplasma, viruses.

Smokers, the elderly, immunocompromised (diabetes, cancer, AIDS)

Bacterial infection already present in the airways.

Smoking, diminished immunity,

Smoking, cystic fibrosis, alpha-antitripsinase enzyme deficiency, chronic exposure to asbestos, silica, coal dust

Allergic reactions, changes in the weather, colds, emotions, exercises, unknown factors, affects predominantly young people (50% under 10)

Myco-bacterium tuberculosis, M. bovis, M. africanum, may cause kidney infections, meningitis, sepsis

Smoking, exposures to industrial chemicals

Symptoms and complications

A yellow or green productive cough, fever, shaking chills, shortness of breath, pleuritic chest pains

Productive cough (occasionally blood streaked), shortness of breath, asthma-like symptoms, wheezing

Chronic cough shortness of breath, asthma-like symptoms, wheezing, fever

Rapid onset of wheezing, difficulty breathing out, tightness in the chest, dry or productive cough, a history of prior similar attacks

Night sweats, fevers, weight loss, bloody cough, chills

Persistent cough, blood streaked sputum, chest pains, recurrent pneumonia, weight loss

Evaluation

Chest x-ray, CBC, blood cultures, blood chemistry, sputum cultures, arterial blood gas analysis

Chest x-ray, CBC, blood chemistry, sputum cultures, arterial blood gas analysis

Pulmonary function tests, chest x-ray

Pulmonary function tests, chest x-ray, skin testing for allergies, examination for throat or ear infections

Skin testing (PPD- purified protein derivative of tuberculin), mucus culture, blood studies, x-ray, identification of TB carriers

Chest x-ray, sputum cytology, broncho-scopy,

biopsy

Treatment

Oral or IV antibiotics, pneumovax vaccine

oral antibiotics, broncho-dilators, aerosols, inhalation treatments, acetomino-phen or aspirin for fever control

Antibiotics, broncho-dilators, oxygen therapy, steroid medications, pulmonary diet, avoidance of smoking

Broncho-dilators, steroid medications, theophyline containing medications, avoidance of smoking and smoky environment, avoidance of rapid changes in temperature

Anti TB medications

Surgery, radiation therapy, chemo-therapy