Routine sputum culture
Alternate Names : Sputum culture
Definition
Routine sputum culture is a test of secretions from the lungs and bronchi (tubes that carry air to the lung) to look for bacteria that cause infection.
Why is the Test Performed?
The culture is done on the sputum to help identify the bacteria that are causing an infection in the lungs or airways (bronchi).
How is the Test Performed?
You will cough deeply and spit any sputum into a sterile cup. The sputum is then taken to the laboratory. There, it is placed in a special substance (medium) under conditions that allow the bacteria or fungi to grow.
How to Prepare for the Test?
Drinking a lot of water and other fluids the night before the test may help to get the sample.
How will the Test Feel?
You will need to cough. Sometimes the health care provider will tap on the chest to loosen deep sputum. There may be a steam-like mist to inhale to help you cough up the sample.
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