2683 results
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Medications - Vaughan-Williams ... Class I (Ia, Ib, Ic ... #Medications #Vaughan ... #pharmacology #cardiology
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Medications - Vaughan-Williams ... Class I (Ia, Ib, Ic ... #Medications #Vaughan ... #pharmacology #cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics - Vaughan ... Class I (Ia, Ib, Ic ... Classification #Classes #cardiology
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
quinidine) •Class IC ... TorsadesDePointes #Diagnosis #Cardiology
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Lidocaine, Mexiletine Ic ... Blockers #ClassI #Na #cardiology
Antiarrhythmic Drug Classes 
IA: "Police Department Questions 
IB: Liquored Man 
IC: For Peeing, 
Ill: After Drinking
Liquored Man IC ... Lidocaine Mexiletine IC
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Pickle") Class IC ... channel blockade: IC ... the ERP: IA > IC ... Pharmacology #Agents #Cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics - Vaughan ... inotropy) ACCP Cardiology ... Antiarrhythmics #Vaughan ... pathophysiology #cardiology
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
quridine) Class IC ... TorsadesDePointes #Diagnosis #Cardiology
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Medications - Vaughan