RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Marciniak, Bruno A1 Dalens, Bernard J. SR Print(0) ID 58086498 T1 Segawa Syndrome T2 Syndromes: Rapid Recognition and Perioperative Implications YR 2006 FD 2006 PB The McGraw-Hill Companies PP New York, NY SN 9780071354554 LK accessanesthesiology.mhmedical.com/content.aspx?aid=58086498 RD 2024/04/16 AB Described by the presence of jerky movement at the age of 3 months. It is associated with generalized rigidity and no diurnal variability. Evolving rapidly to expressionless face, ptosis, drooling, and tremulous tongue movements. Usually associated with a low concentration of the dopamine metabolite homovanillic acid (HVA) in the cerebrospinal fluid.