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Action Potential: Depolarization and repolarization of a neuron

#ActionPotential #Depolarization #Repolarization #Neuron #Neurology #Pathophysiology
: Depolarization ... and repolarization ... of a neuron # ... ActionPotential #Depolarization ... #Neuron #Neurology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
- Ventricular Depolarization ... Phase I - Initial Repolarization ... and magnitude of depolarization ... phase 4 to slow depolarization ... #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
and magnitude of depolarization ... phase 4 to slow depolarization ... prolong AV node repolarization ... interval (delays time repolarization ... #pathophysiology