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Long QT Syndrome and Anaesthesia

Denise de Noronha1†, Sandra Maurício,2 Idalina Rodrigues3

1Anaesthesia Trainee, Centro Hospitalar Universitário Lisboa Norte, Portugal
2Anaesthesia Trainee, Instituto Português de Oncologia, Portugal
3Consultant Anaesthetist, Centro Hospitalar Universitário Lisboa Norte, Portugal
Edited by: Dr. Lara Herbert, Consultant Anaesthetist, Royal Cornwall Hospitals NHS Trust, UK
†Corresponding author e-mail: denise.d.noronha@gmail.com

Published June 8, 2021

Abstract

A malfunction of cardiac ion channels can result in prolongation of ventricular repolatisation and hence of the QT interval, making arrhythmias mores likely. Both congenital and acquired forms are recognised, and drug induced QT-prolongation is common in the perioperative period. Recognition of the arrhythmogenic potential, together with careful selection of anaesthetic drugs and clearance of arrhythmogenic triggers, help to ensure an uneventful perioperative course.

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