<prompt> Brugada syndrome is associated withLeft Bundle Branch BlockLeft Anterior Fascicular blockLeft posterior Fascicular blockRight bundle Branch block  <response>: Mutations involving car- diac sodium channels are identified in approximately 25 of cases. Distinction from patients with similar ST elevation owing to LV hyperophy, pericarditis, myocardial ischemia or MI hyperkalemia, hypothermia, right bundle branch block, and ARVC is often difficult Ref Harrison 20th edition pg 1423 