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pathophysiological conditions of the respiratory system
TDL
22
Nursing
Undergraduate 2
09/24/2014

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Term
hypercapnia
Definition
plasma carbon dioxide levels are excessively increased
Term
bronchiectasis
Definition
A response to obstruction in respiratory tract, dilation of the of bronchi occurs
Term
Apnoea
Definition
Breathing that has stopped
Term
haemoptysis
Definition
presence of blood in sputum/ coughing up of blood
Term
asthma
Definition
A chronic respiratory condition that is caused by an allergy, stress, exercise, drugs and/or other stimul(i)(us). Common chracteristics include SOB, wheeziness, increased mucous production
Term
atelectasis
Definition
A condition whereby there is a collapse in part of the lung or whole lung collapses. When this occurs alveolar sac(s) collapse
Term
Chronic obstructive pulmonary disease (COPD)
Definition
Any group of respiratory diseases that is irreversible and characterised by limited or obstructed airways. Is usually caused by smoking
Term
Cor pulmonale
Definition
Is secondary to hypertension. Is right-sided heart failure resulting from prolonged hypertension
Term
Cystic fibrosis
Definition
A life-threating condition that causes severe damage to the lungs and digestive system. It is inherited and caused by a defective gene. It effects the cells that produce mucous, saliva and digestive juices. Normally these secretions are thin and slippery, however with cystic fibrosis, causes the secretions to be thick and stick and will plug up tubes, ducts and passageways.
Term
Emphysema
Definition
An abnormally permanent enlargement of gas-exchange airways, which is accompanied by alveolar wall destruction
Term
Empyema
Definition
caused by bacterial infection. Pus is persistently discharged into the pleural space
Term
Influenza
Definition
A highly contagious infection of the respiratory tract, caused by an RNA myxovirus and transmitted via droplets. Brief incubation period (1-3 days) and onset is usually sudden. There are three main types: Influenazae A, B and C.
Term
Legionnaire’s disease
Definition
A type of acute pneumonia caused by the bacteria Legionella pneumophila. Characterised by influenza like symptoms and within a week by high fever, chills, muscle aches and headache. Can progress to dry cough, pleurisy and diarrhoea.
Term
Paroxysmal nocturnal dyspnoea
Definition
condition characterised by sudden respiratory distress that causes a person sleeping in a reclined position to suddenly awake. Usually caused by pulmonary oedema left sided heart failure
Term
Pleural effusion
Definition
Abnormal accumulation of fluid in the intrapleural spaces. Effusion classification may be by amount of protein in fluids: exudate (high) and transudate (low). Exudate may result from pulmonary infarction, trauma, tumor, or infection. Transudate may result from heart failure, nephrodic syndrome or cirrhosis.
Term
Pleurisy
Definition
Inflammation of the parietal pleura of the lungs. Characterised by dyspnoea and stabbing pain. Leads to restricted breathing with stabbings on effected side. Caused by pneumonia, pulmonary infarction, bronchial carcinoma, abscess to lung or chest walls, and tuberculosis
Term
Pneumoconiosis
Definition
Any disease of the lungs that is caused by chronic inhalation of dusts
Term
Pneumonia
Definition
Acute inflammation and infection of the lungs, often caused by inhaling pneumococci of the species Streptococcus pneumonaie. Bronchioles and alveoli become with thick exudate.
Term
Pneumothorax
Definition
The presence of air or gas in the plural space, causing lung to collapse
Term
Pulmonary oedema
Definition
Accumulation of extravascular fluid in lung tissues and alveoli. Caused mostly by left sided ventricular failure.
Increased hydrostatic pressure forces fluid from pulmonary capillaries to alveoli. Occurs when there is fluid overload or leaky capillaries eg. Renal failure, inhalation of irritating gases or rapid administration of blood, plasma, serum, IV fluids…
Term
Rhinorrhoea
Definition
Free discharge of thin watery nasal fluid
Term
Tuberculosis
Definition
Chronic bacterial infection of the lungs or other tissues caused by Myocobacterium tuberculosis
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