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Queckenstedt's phenomenon
Also known as:
Queckenstedt’s method
Queckenstedt’s sign
Queckenstedt’s symptom
Queckenstedt’s test
Queckenstedt-Stookey test
Stookey’s symptom
Associated persons:
Hans Heinrich Georg Queckenstedt
Byron Polk Stookey
Description:
Test to determine whether or not the flow of cerebrospinal fluid is blocked in the spinal canal. The test is performed by putting bilateral pressure on the jugular veins - vv. jugulares internae - during the course of a lumbar puncture. Normally there is a sharp rise increase in the pressure of the spinal fluid in the lumbar region within 10 to 12 seconds, and then a sharp fall when the pressure is released.
If there is no rise in the pressure of liquor cerebrospinalis, it is a sign of blocking of the subarachnoid channels.
Queckenstedt’s phenomenon was described by the British surgeon and anatomist John Hilton (1804-1878) in 1863 on the basis of investigation of a corpse.
Bibliography:
- John Hilton:
On the influence of mechanical and physiological rest in the treatment of accidents and surgical diseases, and the diagnostic value of pain.
London, Bell and Daldy, 1863. 99 pages.
- H. Queckenstedt:
Zur Diagnose der Rückenmarkskompression.
Deutsche Zeitschrift für Nervenheilkunde, 1916, 55: 325-333.
[Diagnosis of compression of the spinal cord]
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