Diagnosis of ST-Elevation Myocardial Infarction in the Presence of Left Bundle Branch Block With the ST-Elevation to S-Wave Ratio in a Modified Sgarbossa Rule

Stephen W. Smith, MD, Kenneth W. Dodd, MD, Timothy D. Henry, MD, David M. Dvorak, MD, Lesly A. Pearce, MS

2012 by the American College of Emergency Physicians. http://dx.doi.org/10.1016/j.annemergmed.2012.07.119