An ear drainage culture is a laboratory test to check for infection-causing substances in a sample of fluid, pus, wax, or blood from the ear.
See also: Ear drainage
Culture - ear drainage
How the test is performed
A sample of ear drainage is needed. Your health care provider will use a cotton swab to collect the sample from inside the outer ear canal. In some cases, a sample is collected from the middle ear during ear surgery.
The sample is sent to a laboratory and placed on a special dish (culture media).
The lab team checks the dish every day to see if bacteria, fungi, or viruses have grown. Further tests may be done to specifically identify any substances and determine the best treatment.
How to prepare for the test
No preparation is needed for a lab culture.
How the test will feel
No pain is associated with using a cotton swab to take a sample of drainage from the outer ear. However, ear pai...
Introduction The skull contains a number of air-filled spaces called sinuses . They perform the following functions: Reduce the weight of the skull Provide insulation for the skull Provide resonance for the voice Four pairs of sinuses, known as the paranasal air sinuses , connect to the nasal passages (the two airways running through the nose): Frontal sinuses (behind the forehead) Maxillary sinuses (behind the cheekbones) Ethmoid sinuses (between the eyes) Sphenoid sinuses (behind the eyes) Sinusitis occurs in these four areas. Sinusitis Healthy sinuses are sterile and contain no bacteria. (The nasal passage, on the other hand, normally contains many bacteria.) The Disease Process. Sinusitis is an infection that occurs if obstruction or congestion leads to bacterial growth in the paranasal sinuses. Among the many causes of such obstruction or congestion are the common cold, allergies, certain medical conditions, abnormalities in the nasal passage, and change in atmosphere. In any of these cases, si...
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