1. Posterior Myocardial Infarction Posterior myocardial infarction is suggested by the following changes in V1-3: horizontal ST depression, tall and broad R waves (≥30ms), upright T waves, and a dominant R wave (R/S ratio ≥1) in V2. A posterior ECG or 15-lead ECG may be helpful to identify posterior...

1. Sudden Cardiac Death Sudden cardiac death (SCD) is a major public health problem, with most episodes occurring in the home. Cardiac arrests in public places have a much better chance of survival, as the initial recorded cardiac rhythm is more likely to be ventricular fibrillation. SCD has a circa...