An acute upper airway obstruction is a blockage of the upper airway, which can be in the trachea, voice box (laryngeal), or throat (pharyngeal) areas.
Airway obstruction - acute upper
Causes, incidence, and risk factors
Causes of acute upper airway obstruction include:
in which the trachea or throat swell closed, including allergic reactions to a bee sting
, peanuts, antibiotics (penicillin), and blood pressure medications (ACE inhibitors)
(infection of the structure separating the trachea from the esophagus)
Fire or burns from breathing in smoke
Foreign bodies -- such as peanuts and other breathed-in foods, pieces of a balloon, buttons, coins, and small toys
Viral or bacteria infections
A chest tomogram is a picture of the chest area created by moving the x-ray machine in one direction while moving the recording film the other way. This method blurs structures in front of and behind the area of the chest being studied. This allows for a more detailed view of a specific level within the chest cavity.
Laminography; Planigraphy; Stratigraphy; Tomogram - chest
How the test is performed
The test is performed in a hospital radiology department by an x-ray technician. You will be asked to lie on your back on the x-ray table. You should not move during the test, as this will affect the image quality.
How to prepare for the test
Tell the health care provider if you are pregnant. You must wear a hospital gown and remove all jewelry.
How the test will feel
There is generally no discomfort associated with tomography.
Why the test is performed
A chest tomogram can show certain problems ...
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