9Andersen HR .Right Ventricular infarcttion diagnodtic Value of ST elevation in Lead Ⅲ exceed ing shat of lead Ⅱ during inferor / poster or infarctctlon and comparison with right chest leads VsR to VTR. Am Heart J, 1989, 117 : 82-83.
10Lew AS, Maddahi J, Shah PK, et al.Fao tors that detem ine the dirdction and magn- itude of precard iac ST segment deviations during inferior wall of acute myocandial infraction.Am J CardioL, 1985,55 : 893-894.