J Dent Anesth Pain Med.  2020 Jun;20(3):165-171. 10.17245/jdapm.2020.20.3.165.

Concealed congenital long QT syndrome during velopharyngeal dysfunction correction: a case report

Affiliations
  • 1Department of Anesthesia and Pain Medicine, School of Medicine, Pusan National University, Busan, Korea
  • 2Medical Research Institute, Pusan National University Hospital, Busan, Korea
  • 3Department of Dental Anesthesia and Pain Medicine, School of Dentistry, Pusan National University, Dental Research Institute, Yangsan, Korea

Abstract

The congenital long QT syndrome (LQTS) is an inherited cardiac disorder characterized by increased QT intervals and a tendency to experience ventricular tachycardia, which can cause fainting, heart failure, or sudden death. A 4-year-old female patient undergoing velopharyngeal correction surgery under general anesthesia suddenly developed Torsades de pointes. Although the patient spontaneously resolved to sinus rhythm without treatment, subsequent QT prolongation persisted. Here, we report a case of concealed LQTS with a literature review.

Keyword

Electrocardiogram; Long QT Syndrome; Torsades de Pointes
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