5 results
Action Potential: Depolarization and repolarization of a neuron

#ActionPotential #Depolarization #Repolarization #Neuron #Neurology #Pathophysiology
Action Potential ... : Depolarization ... and repolarization ... ActionPotential #Depolarization ... #Repolarization
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
Phase 1: Early repolarization ... phase Phase 3: Repolarization ... #Pathophysiology ... Myocytes #Phases #Depolarization ... #Repolarization
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
• Atrial depolarization ... Vaughan Williams ... and magnitude of depolarization ... phase 4 to slow depolarization ... Classification #Classes #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 ... prolong AV node repolarization
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics - Vaughan Williams ... Blockade • Slows depolarization ... Blockade • Slows depolarization ... Blockade • Prolongs action ... Blockade • Slows depolarization