15 results
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs ... CLASS IA • ... Disopyramide 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 ... #Class1 #Antiarrhythmics ... Agents #Cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Widens QRS complex Class ... prolongs PR interval Class ... Classification #Classes ... #cardiology #pharmacology
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
Drugs affecting ... #Pathophys #Pharmacology ... #Cardiology #Antiarrhythmics ... #Classes #Effect ... #ActionPotentials
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics ... Lidocaine, Mexiletine Ic ... Channel #Blockers #ClassI ... #Na #cardiology ... #pharmacology #
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Classification • Class ... • Class II • ... Class III • Class ... drugs: Adenosine ... #cardiology
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Classification • Class ... • Class II • ... Class III • Class ... drugs: Adenosine ... #cardiology
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
Precipitated by drugs ... QT interval •Class ... quinidine) •Class ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Antiarrhythmic Drug Classes 
IA: "Police Department Questions 
IB: Liquored Man 
IC: For Peeing, 
Ill: After Drinking
Antiarrhythmic Drug ... Classes IA: " ... /ambcarerx #Antiarrhythmic ... #Drug #Classes ... #Pharmacology #Mnemonic
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
precipitated by drugs ... interval Class ... quridine) Class ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG