170 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
QT interval •Class ... quinidine) •Class ... IC antidysrhythmics ... Diagnosis #Cardiology #ECG ... #EKG
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
IC = Flecainide ... in wide QRS on EKG ... channel blockade: IC ... prolonged QT on EKG ... the ERP: IA > IC
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... - Group IA and IC ... QRS #widening #ECG ... #EKG #Pharmacology ... Differential #Drugs #Classes
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
interval Class ... quridine) Class ... IC antidysrhythmics ... Diagnosis #Cardiology #ECG ... #EKG
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Lidocaine, Mexiletine Ic ... Channel #Blockers #ClassI ... #pharmacology #table
Antiarrhythmic Drug Classes 
IA: "Police Department Questions 
IB: Liquored Man 
IC: For Peeing, 
Ill: After Drinking
Antiarrhythmic Drug Classes ... Liquored Man IC ... Lidocaine Mexiletine IC ... Antiarrhythmic #Drug #Classes
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... I (Ia, Ib, Ic) ... Widens QRS complex Class ... prolongs PR interval Class ... Classification #Classes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... wave to produce classic ... #ECG #Changes # ... Progression #Table
Antiarrhythmic Medication Table

#Antiarrhythmic #Medications #Table #Classification #Classes #Cardiology #Pharmacology
Antiarrhythmic Medication Table ... #Medications #Table ... Classification #Classes
CERTA Analgesic Classes and Pain Indications

Dr. David H.Cisewski and Dr. Sergey M.Motov

#CERTA #Analgesic #Classes #Pain #Indications
CERTA Analgesic Classes ... CERTA #Analgesic #Classes ... Indications #Management #Table