13 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
- Summary Table ... agents - Sodium Channel ... agents - Potassium Channel ... agents - Calcium Channels ... #pharmacology #
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
Membrane Actions of Antiarrhythmic ... #Membrane #Channels ... #Actions #Antiarrhythmic ... #Medications #Pharmacology ... #Cardiology #Table
Antiarrhythmic Medication Table

#Antiarrhythmic #Medications #Table #Classification #Classes #Cardiology #Pharmacology
Table #Antiarrhythmic ... #Medications #Table ... #Classification ... #Classes #Cardiology ... #Pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... Vaughan #Williams #Pharmacology
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
- Sodium Channel ... #Sodium #Channel ... Blockers #ClassI #Na #cardiology ... #pharmacology # ... table #comparison
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... inotropy) ACCP Cardiology ... #Pharmacology # ... Classification #
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Ib, Ic) - Na+ Channel ... Class III - K+ Channel ... Class IV - Ca2+ Channel ... #Classes #cardiology ... #pharmacology
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... #Pathophys #Pharmacology ... #Cardiology #Antiarrhythmics
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... Block fast Na+ channels ... on EKG • Na+ channel ... actions on K+ channels ... Agents #Cardiology
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... - Potassium Channel ... #Potassium #Channel ... #Blockers #pharmacology ... #cardiology