Smartphone ECG for evaluation of STEMI: Results of the ST LEUIS Pilot Study
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© 2015 Elsevier Inc. All rights reserved.Background 12-lead ECG is a critical component of initial evaluation of cardiac ischemia, but has traditionally been limited to large, dedicated equipment in medical care environments. Smartphones provide a potential alternative platform for the extension of ECG to new care settings and to improve timeliness of care. Objective To gain experience with smartphone electrocardiography prior to designing a larger multicenter study evaluating standard 12-lead ECG compared to smartphone ECG. Methods 6 patients for whom the hospital STEMI protocol was activated were evaluated with traditional 12-lead ECG followed immediately by a smartphone ECG using right (VnR) and left (VnL) limb leads for precordial grounding. The AliveCor™ Heart Monitor was utilized for this study. All tracings were taken prior to catheterization or immediately after revascularization while still in the catheterization laboratory. Results The smartphone ECG had excellent correlation with the gold standard 12-lead ECG in all patients. Four out of six tracings were judged to meet STEMI criteria on both modalities as determined by three experienced cardiologists, and in the remaining two, consensus indicated a non-STEMI ECG diagnosis. No significant difference was noted between VnR and VnL. Conclusions Smartphone based electrocardiography is a promising, developing technology intended to increase availability and speed of electrocardiographic evaluation. This study confirmed the potential of a smartphone ECG for evaluation of acute ischemia and the feasibility of studying this technology further to define the diagnostic accuracy, limitations and appropriate use of this new technology.
Published Version (Please cite this version)10.1016/j.jelectrocard.2014.11.005
Publication InfoMuhlestein, JB; Le, V; Albert, D; Moreno, FL; Anderson, JL; Yanowitz, F; ... Muhlestein, JB (2015). Smartphone ECG for evaluation of STEMI: Results of the ST LEUIS Pilot Study. Journal of Electrocardiology, 48(2). pp. 249-259. 10.1016/j.jelectrocard.2014.11.005. Retrieved from http://hdl.handle.net/10161/10599.
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Adjunct Professor in the Department of Medicine
Medical degree at the University of Buenos Aires. Residency/Cardiology Fellowship at the Sanatorio Guemes/Favaloro Foundation. Cardiac cath fellow at the Sanatorio Guemes. International Scholar in Artificial Organs at the Cleveland Clinic. Duke Clinical Research Institute research fellow.Faculty member in the Cardiology Division at the University of Texas Medical Branch with the rank of Assoc Professor of Medicine as CCU and Cardiac Cath Lab attending (invasive cardiologist) on all t
Consulting Professor in the Department of Medicine
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