====== Cardiac Pacing ====== Pacing is effective treatment for most toxin-induced [[:wikitox:3.2.1.1.3_bradyarrhythmias|bradyarrhythmias]] and some tachyarrhythmias (polymorphic VT). However direct myocardial depression from many [[:wikitox:cardiotoxic_drugs|cardiotoxins]] may mean that pacing may fail to capture the heart or maintain cardiac output.