Smartphone ECG for evaluation of STEMI: results of the ST LEUIS Pilot Study.

Published

Journal Article

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.

Full Text

Duke Authors

Cited Authors

  • Muhlestein, JB; Le, V; Albert, D; Moreno, FL; Anderson, JL; Yanowitz, F; Vranian, RB; Barsness, GW; Bethea, CF; Severance, HW; Ramo, B; Pierce, J; Barbagelata, A; Muhlestein, JB

Published Date

  • March 2015

Published In

Volume / Issue

  • 48 / 2

Start / End Page

  • 249 - 259

PubMed ID

  • 25601407

Pubmed Central ID

  • 25601407

Electronic International Standard Serial Number (EISSN)

  • 1532-8430

Digital Object Identifier (DOI)

  • 10.1016/j.jelectrocard.2014.11.005

Language

  • eng

Conference Location

  • United States