Overview Dexmedetomidine in Children Having Transthoracic Echocardiography Status: Completed Trial end date: 2017-05-01 Target enrollment: Participant gender: Summary Sedation Techniques for children undergoing transthoracic echocardiography (TTE). Phase: Phase 4 Details Lead Sponsor: Children's Hospital Medical Center, CincinnatiTreatments: Chloral HydrateDexmedetomidine