8 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
- Vaughan Williams ... Classification Class ... Widens QRS complex Class ... prolongs PR interval Class ... #cardiology #pharmacology
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Classification • Class ... • Class II • ... Class III • Class ... Classification #pharmacology ... #cardiology
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Classification • Class ... • Class II • ... Class III • Class ... Classification #pharmacology ... #cardiology
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... Properties Class ... Mayo, Pickle") Class ... decreases) #ClassI ... #Class1 #Antiarrhythmics
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... duration: - CLASS ... duration - CLASS ... & AP duration CLASS ... #Pharmacology #
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics ... EricsMedicalLectures/ #Antiarrhythmics ... Channel #Blockers #ClassI ... #Na #cardiology ... #pharmacology #
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... EricsMedicalLectures/ #ClassIII ... #Antiarrhythmics ... Channel #Blockers #pharmacology ... #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams ... Classification: CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS