2 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
1C: Strong Blockade ... activation (↓ cAMP and Ca ... receptors, and Ca ... MOA: Block slow Ca ... channels to prevent Ca
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Plateau Phase • Ca ... leading to slow Ca ... Vaughan Williams ... 1C: Strong Blockade ... #pathophysiology