9 results
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 ... #Classes #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS
Traditionally, congestive heart failure has been classified according to severity of symptoms, first formulated by the
Traditionally, congestive ... ups that cause class ... III and class IV ... #Diagnosis #Cardiology ... HeartFailure #Staging #Classification
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
• Class I (Ia, ... Ib, Ic) • Class ... II • Class III ... • Class IV ... #pharmacology #cardiology
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
• Class I (Ia, ... Ib, Ic) • Class ... II • Class III ... • Class IV ... #pharmacology #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams ... CLASS 1 - Sodium ... duration - CLASS ... duration - CLASS ... & AP duration CLASS
In order to better classify heart failure, the American College of Cardiology Foundation and the American
American College of Cardiology ... Association functional class ... #Diagnosis #Cardiology ... #CHF #Congestive ... #Stages #Classes
STAGES of CHF (A, B, C, D), however, describe the severity of structural abnormalities that impair
ups that cause class ... III and class IV ... #Management #Cardiology ... #CHF #Congestive ... Stages #ACCAHA #Algorithm
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... event, follow ACC algorithm ... with valvular dysfunction ... or LV dysfunction ... one post op Cardiology