Dr. Pierce Geoghegan, a Specialist Registrar in Anesthesia and Critical Care with the College of Anaesthetists of Ireland and member of the M.E.T.R.I.C. research group (Mayo Clinic, Rochester, MN), explains his article appearing in the October 2015 issue of Mayo Clinic Proceedings, that alerts clinicians that nonoptimal correction of profound hyponatremia is common, but is infrequently associated with serious morbidity. Available at: http://tinyurl.com/nq2wga4