What is the significance of different sputum types?
|Purulent||Thick, yellow/green sputum||Infectious – pneumonia, bronchiectasis and abscess|
|Mucoid||Clear, grey/white||Chronic obstructive pulmonary disease and asthma|
|Serous||Clear, frothy, can be pink||Pulmonary oedema|
|Blood||Blood||Malignancy, pulmonary embolus, clotting disorders, infection|
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