Risk factors and predictors of QTc prolongation in critically ill Chinese patients.

Abstract Background To recognize and validate the predictor of risk factors for ICU patients with QTc intervals ≥500 ms. Methods We retrospectively reviewed 160 ICU patients with their medical electronic records including all demographic data, diagnosis measurements, ECGs and medication from March 1, 2018 to December 1, 2018. All information of patients' baseline, comorbidities, electrolytes and Long QT syndrome (LQTS)-inducing medications of patients with QT interval corrected (QTc) ≥ 500 ms (n = 80) and Results Comparing to patients with QTc Conclusions For critically ill patients, congestive heart failure, number of combined LQTS-inducing medications and APACHE II score are proved as risk factors associated with QTc > 500 ms.