"anti-arrhythmic drugs" . "Vaughan Williams classification of antidysrhythmic drugs" . "cardiac antiarrhythmics" . "antiarrhythmic agent" . "Antiarrhythmic agent" . "antiarrhythmic agents" . "class I antiarrhythmic agents" . "antiarrhythmia medication" . "Antiarrhythmic_agent#Class_III_agents" . . "class II" . "class III antiarrhythmic drug" . "anti-arrhythmic medications" . "arrhythmia" . . "class III antiarrhythmic medication" . "Antiarrhythmic_agent#Sicilian_gambit_classification" . "antiarrhythmic class" . "class I antiarrythmics" . "antiarrhythmic" . . "altering the cardiac rhythm" . "Antiarrhythmic agent" . "Vaughan Williams classification" . "class 1b antiarrhythmic" . "Antiarrhythmic agent#Class I agents" . "class III antiarrhythmics" . "class 1c" . "Antidysrhythmics" . "class III antiarrhythmic" . . "antiarrhythmic drug" . "Vaughan Williams classification of antiarrhythmic drugs" . "Ic antiarrhythmic" . . "Antiarrhythmic agent#Vaughan Williams classification" . "agents that attempt to restore a normal heart rhythm" . "Vaughn-Williams Class Ic antiarrhythmic" . "class Ic" . "Antiarrhythmic agent#Class II agents" . "antiarrhythmic drugs" . "antiarrhythmic medication" . . "1A antiarrhythmics" . "Antiarrhythmic agent#Class IV agents" . "antiarrhythmics" . "Antiarrhythmic drugs" . "antiarrythmic medications" . "antiarrhythmic medications" . "Class I and III" . . "Class I antiarrhythmic agents" . "Antiarrhythmic_agent#Class_IV_agents" . "anti-arrhythmic" . "Antiarrhythmics" . "class-1b antiarrhythmic drug" . "Antiarrhythmic medications" . "antiarrythmics" . "antiarrhythmic of class I" . "Class 1 antiarrhythmic drugs" .