411 REFERENCE · Wikibooks
Pharmacology/Antiarrythmics
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The four classes of anti-arrhythmics include -
CLASS I (Na channel blockers)
CLASS IA (K+ channel blockers also)
CLASS IB (involved in treatment of necrotic tissue)
CLASS IC
CLASS ID
CLASS II (beta-blockers)
CLASS III (K+ channel blockers)
CLASS IV (Ca+ channel blockers)