Physiology Flashcards
What is pneumonia?
A lung infection
What are the symptoms?
Dyspnoea
Chest pain
Coughing
Fever
Why does it cause dyspnoea?
Lack of gas exchange
Why is there chest pain?
Due to inflammation
Why does it cause coughing?
Body trying to force the fluid out of the airways
Why is there fever?
Due to infection
Where is the infection?
Within the alveoli
What does it trigger within the alveoli
An inflammatory response, so the alveolar tissue leaks fluid which blocks absorption of oxygen and exhalation of co2
Name some causes
Community acquired pneumonia- picked up at work or school
Ventilator acquired pneumonia- where bacteria or a virus gets inside the tube that is inserted in mouth or nose and delivers o2
Aspiration- inhaling something like vomit into the lungs