15 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockersâ €
Class II
Class I agents ... - Sodium Channel ... agents - Potassium Channel ... agents - Calcium Channels ... #pharmacology #
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 ... #Class1 #Antiarrhythmics
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... 1 - Sodium Channel ... Block fast Na+ channels ... duration: - CLASS ... 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 #
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Ib, Ic) - Na+ Channel ... III - K+ Channel ... IV - Ca2+ Channel ... #cardiology #pharmacology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration: - CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS
Antiarrhythmic Medication Table

#Antiarrhythmic #Medications #Table #Classification #Classes #Cardiology #Pharmacology
Antiarrhythmic Medication ... Table #Antiarrhythmic ... #Medications #Table ... Classification #Classes ... #Cardiology #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
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 ... #Classes #Effect
Lidocaine HCl - sodium channel blocker. Local anesthetic and class 1B antiarrhythmic. Originally developed in 1943
Lidocaine HCl - sodium channel ... anesthetic and class ... 1B antiarrhythmic ... #Pharmacology #Lidocaine