RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Marciniak, Bruno A1 Dalens, Bernard J. SR Print(0) ID 58079962 T1 HHH 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=58079962 RD 2024/04/25 AB HHH is an acronym for hyperornithinemia-hyperammonemia-homocitrullinuria. It is a genetically transmitted inborn error of metabolism caused by a defect in the transport of ornithine into the mitochondrial matrix characterized clinically by early growth retardation, learning disabilities, periodic confusion, and ataxia.