A sniff test is an exam that checks how the diaphragm (the muscle that controls breathing) moves when you breathe normally and when you inhale quickly. The test uses a fluoroscope, a special X-ray machine that allows your doctor to see live images of the inside of your body.
How do you prepare for a sniff test?
Sniff Test
- Preparing for the Test. There is nothing specific you need to do to prepare for this test.
- During the Test. Before the study you will need to remove all clothing from the waist up. ...
- Length of the Test. The test will take about 20 minutes. ...
- Day of the Test.
Is an elevated diaphragm serious?
Elevated hemidiaphragm can be an incidental, asymptomatic finding or can be the cause of respiratory failure. The diaphragm is vital for respiration, specifically the inspiratory phase.
