Queckenstedt's maneuver
Queckenstedt's maneuver (pronounced: Kwek-en-stedt's maneuver) is a medical procedure used to test the patency of the spinal canal in patients suspected of having spinal stenosis or other similar conditions.
Etymology
The maneuver is named after the German neurologist Hans Heinrich Georg Queckenstedt, who first described the procedure in 1916.
Procedure
During Queckenstedt's maneuver, the patient lies in a supine position. The physician then compresses the jugular veins on both sides of the neck, which increases the pressure in the cerebrospinal fluid (CSF). This increase in pressure is then measured using a lumbar puncture. If the pressure increases rapidly and then decreases once the compression is released, it indicates that the spinal canal is patent. If the pressure does not change or changes very slowly, it suggests that there may be a blockage in the spinal canal.
Related Terms
- Spinal stenosis: A narrowing of the spaces within your spine, which can put pressure on the nerves that travel through the spine.
- Jugular veins: Veins that take deoxygenated blood from the head back to the heart via the superior vena cava.
- Cerebrospinal fluid (CSF): The fluid in the brain and spinal cord that provides a cushion for the brain and spinal cord, as well as nutrients and waste removal.
- Lumbar puncture: A procedure in which a needle is inserted into the spinal canal to collect a sample of cerebrospinal fluid.
See Also
External links
- Medical encyclopedia article on Queckenstedt's maneuver
- Wikipedia's article - Queckenstedt's maneuver
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