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Doctors diagnosed it by doing a lumbar puncture, or spinal tap, to analyze their cerebrospinal fluid.—Erika Edwards, NBC news, 2 Apr. 2026 She’s being sued for medical malpractice for performing a spinal tap on a child in Season 1 who was suffering from measles.—Erik Kain, Forbes.com, 22 Mar. 2026 But confirming the deficiency requires a spinal tap, which can be painful.—Jon Hamilton, NPR, 22 Jan. 2026 First the femoral artery line, next the catheter, then the many cannulas, and finally the spinal tap.—David Freyne, Time, 7 Dec. 2025 See All Example Sentences for spinal tap