• Heart Rhythm · Sep 2020

    Enhanced electrocardiographic monitoring of patients with Coronavirus Disease 2019.

    • Shashank Jain, Virginia Workman, Raj Ganeshan, Edinrin R Obasare, Alicia Burr, Ralph M DeBiasi, James V Freeman, Joseph Akar, Rachel Lampert, and Lynda E Rosenfeld.
    • Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut.
    • Heart Rhythm. 2020 Sep 1; 17 (9): 1417-1422.

    BackgroundMany of the drugs being used in the treatment of the ongoing pandemic coronavirus disease 2019 (COVID-19) are associated with QT prolongation. Expert guidance supports electrocardiographic (ECG) monitoring to optimize patient safety.ObjectiveThe purpose of this study was to establish an enhanced process for ECG monitoring of patients being treated for COVID-19.MethodsWe created a Situation Background Assessment Recommendation tool identifying the indication for ECGs in patients with COVID-19 and tagged these ECGs to ensure prompt over reading and identification of those with QT prolongation (corrected QT interval > 470 ms for QRS duration ≤ 120 ms; corrected QT interval > 500 ms for QRS duration > 120 ms). This triggered a phone call from the electrophysiology service to the primary team to provide management guidance and a formal consultation if requested.ResultsDuring a 2-week period, we reviewed 2006 ECGs, corresponding to 524 unique patients, of whom 103 (19.7%) met the Situation Background Assessment Recommendation tool-defined criteria for QT prolongation. Compared with those without QT prolongation, these patients were more often in the intensive care unit (60 [58.3%] vs 149 [35.4%]) and more likely to be intubated (32 [31.1%] vs 76 [18.1%]). Fifty patients with QT prolongation (48.5%) had electrolyte abnormalities, 98 (95.1%) were on COVID-19-related QT-prolonging medications, and 62 (60.2%) were on 1-4 additional non-COVID-19-related QT-prolonging drugs. Electrophysiology recommendations were given to limit modifiable risk factors. No patient developed torsades de pointes.ConclusionThis process functioned efficiently, identified a high percentage of patients with QT prolongation, and led to relevant interventions. Arrhythmias were rare. No patient developed torsades de pointes.© 2020 Heart Rhythm Society. All rights reserved.

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