title: Macroscopic T wave alternans in long QT syndrome.
abstract: A 6 year old girl was admitted with recurrent episodes of loss of consciousness. ECG showed prolonged QT interval and macroscopic T Wave alternans. Identification of this ECG pattern is important since it can lead to potentially lethal arrhythmias.
authors.affiliation: Department of Pediatrics, Medical College, Calicut, Kerala, India. mp.jayakrishnan@gmail.com
authors.forename: M P
authors.initials: MP
authors.lastname: Jayakrishnan
authors.forename: P
authors.initials: P
authors.lastname: Krishnakumar
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D002648:Child; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy; D011433:Propranolol / Q000627:therapeutic use; D012008:Recurrence; D014474:Unconsciousness / Q000209:etiology
chemical_list: D000889:Anti-Arrhythmia Agents; D011433:Propranolol