TY - JOUR T1 - LUmbar puncture. its anatomical and physiological relations, technique, methods of investigation, diagnostic value and therapeutical applications. with an appendix on encephalography and puncture of the cisterna. Y1 - 1925/09/05 N1 - 10.1001/jama.1925.02670100055030 JO - Journal of the American Medical Association SP - 767 EP - 767 VL - 85 IS - 10 N2 - Pappenheim covers the technic of spinal puncture with masterly detail. Cases in which a lumbar puncture is related to the death of the patient he considers decidedly rare and confined without exception to cases of severe illness. He advises, nevertheless, that lumbar puncture be not done on an ambulant patient. The patient should be in bed in a position of complete rest for twenty-four hours after the operation, and should not even walk from the operating table to the bed. The measurement of the pressure of the spinal fluid is a simple and always necessary procedure at the time of puncture, and the normal pressure is between 40 and 150 mm. of water; anything over 200 is pathologic. In the most interesting chapter of the book, "The Diagnostic Import of Lumbar Puncture," it is pointed out that the specific organisms are not always demonstrable in meningeal infections, and that cultures SN - 0002-9955 M3 - doi: 10.1001/jama.1925.02670100055030 UR - http://dx.doi.org/10.1001/jama.1925.02670100055030 ER -