When genetic screening for your patient with long QT syndrome comes back negative, don’t always take a no for a no

Abstract

Lia Crotti, MD, PhD, Peter J. Schwartz, MD, FHRS From the Department of Molecular Medicine, Section of Cardiology, University of Pavia, Pavia, Italy, yDepartment of Cardiology, Fondazione IRCCS Policlinico S. Matteo, Pavia, Italy, zInstitute of Human Genetics, Helmholtz Zentrum Munchen, Neuherberg, Germany, Cardiovascular Genetics Laboratory, Department of Medicine, Hatter Institute for Cardiovascular Research in Africa, University of Cape Town, South Africa, and Department of Family and Community Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia.