4 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... reduce speed of ion conduction ... current) causing ↓SA ... to ↑ ERP (slow conduction ... #Pharmacology #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Summary Cardiac Conduction ... Vaughan Williams Classification ... current) causing ↓SA ... to ↑ ERP (slow conduction ... #Pharmacology #Classification
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... - Sodium Channel ... #Medications #Classification ... #Summary #Table
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization; changes ... L, decrease in conduction ... wave to produce classic ... Hyperkalemia #EKG #ECG #Changes ... #Progression #Table