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Utility Of The Qt Interval In Predicting Outcomes In Patients Presenting To The Emergency Department With Chest Pain., Toni A De Venecia, Marvin Y Lu, Chinualumogu C Nwakile, Vincent M. Figueredo, M.D.
Utility Of The Qt Interval In Predicting Outcomes In Patients Presenting To The Emergency Department With Chest Pain., Toni A De Venecia, Marvin Y Lu, Chinualumogu C Nwakile, Vincent M. Figueredo, M.D.
Division of Cardiology Faculty Papers
OBJECTIVES: The aim of this study was to investigate whether prolongation of the heart rate-corrected QT interval (QTc) is an independent risk factor for predicting future acute coronary syndrome (ACS) occurrence or mortality in patients with at least one cardiac risk factor presenting with chest pain to the emergency department (ED).
METHODS: This is a single-center, retrospective study of patients presenting with chest pain to the ED of Einstein Medical Center, Philadelphia, between 2011 and 2012. Proportional hazards models were used to calculate hazard ratios (HRs) for occurrence of ACS or death within 1 year. Kaplan-Meier curves were used to …