Transient Neonatal Myasthenia Gravis in a Baby Born to a Mother With New-Onset Anti-MuSK-Mediated Myasthenia GravisO'Carroll, Peter MD*; Bertorini, Tulio E MD*; Jacob, Glady MD*; Mitchell, Christopher W MD*; Graff, Justin MD†Journal of Clinical Neuromuscular Disease: December 2009 - Volume 11 - Issue 2 - p 69-71 doi: 10.1097/CND.0b013e3181a78280 Short Report Buy Abstract Author InformationAuthors Article MetricsMetrics We describe a 30-year-old pregnant woman with undiagnosed weakness who delivered a severely weak neonate. Subsequent workup of the mother revealed myasthenia gravis with muscle-specific kinase antibodies. The infant responded to intravenous immunoglobulin and symptoms normalized. He was presumed to have an anti-muscle-specific kinase-mediated transient neonatal myasthenia gravis. From the *University of Tennessee Health Science Center, Memphis, TN; and †Tupelo Neurology Clinic, Tupelo, MS. Reprints: Peter O'Carroll, MD, Clinical Neurophysiology Fellow, 415 Link Building, 855 Monroe Avenue, Memphis, TN 38163 (e-mail: firstname.lastname@example.org). © 2009 Lippincott Williams & Wilkins, Inc.