9 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Class I agents ... BlockersClass ... .⠀ Class III agents ... Blockers Class ... BlockersClass
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... Channel Blockers ... duration: - CLASS ... duration - CLASS ... 1C: Strong Blockade
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... Channel Blockers ... duration - CLASS ... duration - CLASS ... 1C: Strong Blockade
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics - Sodium Channel ... Blockers Subclasses ... - Strong Medicine ... #Blockers #ClassI ... #pharmacology #table
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Class I (Ia, Ib ... Widens QRS complex Class ... prolongs PR interval Class ... Prolongs QT interval Class ... - Strong Medicine
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... - Potassium Channel ... Blockers - Indications ... - Strong Medicine ... #Blockers #pharmacology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... side effect (e.g. αblockers ... Eric Strong https ... Differential #Diagnosis #Classification ... #Table #Causes
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
tachycardia Calcium Channel ... Blockers (CCBs) ... vera, Licorice - Causes ... potential arrhythmias Class ... pharmacology #DDI #table
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
b) CHF c) CVA ... ASA class If ... event, follow ACC algorithm ... Change in clinical ... • <6mo since stroke