BLOCK 9: Antiarrhythmics and Cardiac Devices

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Learning Objectives By Lesson
Antiarrhythmic Drug Classification

Describe and identify different aspects of a cardiomyocyte action potential
Describe and identify different aspects of a pacemaker cell action potential
Assign antiarrhythmic drugs (AADs) to their associated Vaughan-Williams class
Describe the differences in kinetics amongst class I antiarrhythmic drugs (AADs)
Describe the mechanism of action of each antiarrhythmic drug (AAD) class
Identify the action potential phases each antiarrhythmic drug (AAD) class effects
Describe the effect of each antiarrhythmic drug (AAD) class on the action potential
Describe the effect of each antiarrhythmic drug (AAD) class on the ECG

Syncope Terms & Definitions

Define loss of consciousness
Define and differentiate between syncope, presyncope, and unexplained syncope (syncope of undetermined etiology)
Create a differential diagnosis for loss of consciousness
Differentiate between non-cardiac syncope and cardiac syncope
Identify syncope mimickers
Define and differentiate epilepsy, cataplexy, psychogenic syncope, and syncope related to metabolic disorders

General Indications for Pacemakers

Identify various aspects of the electrical conduction of the heart
Describe the general variation in pacemaker indications along the conduction system of the heart
Identify pacemaker indications for sinus node dysfunction
Identify pacemaker indications for varying degrees of AV block
Identify contraindications for pacing in AV block
Describe what is meant by bifascicular block
Describe the general prognosis of bifascicular block
Identify pacemaker indications for bifascicular block

ICD Indications for SCD Prevention (Part 1)

Define primary and secondary suddent cardiac death (SCD) prevention
Describe the clinical benefit for implantable cardioverter defibrillator (ICD) candidates
Identify primary implantable cardioverter defibrillator (ICD) indications based on ejection fraction, etiology, and NYHA functional class
Identify primary implantable cardioverter defibrillator (ICD) indications after acute myocardial infarction with or without revascularization
Identify primary implantable cardioverter defibrillator (ICD) indications for non-ischemic cardiomyopathy (NICM)
Describe general ethical considerations for device therapy

ICD Indications for SCD Prevention (Part 2)

Identify primary implantable cardioverter defibrillator (ICD) indications in hypertrophic cardiomyopathy (HCM)
Identify primary implantable cardioverter defibrillator (ICD) indications in long QT syndrome (LQTS)
Identify primary implantable cardioverter defibrillator (ICD) indications in various disorders based on ejection fraction
Identify primary implantable cardioverter defibrillator (ICD) indications in arrhythmogenic right ventricular cardiomyopathy (ARVC)

Contributors: Anthony Kashou, MD; Mahmoud Ismayl, MD; Khalid Saeed Al-Asad, MD; Adnan Halboni, MD; Adolfo Martinez Salazar, MD; Nandan Anavekar, MBBCh

9.1: Antiarrhythmic Drug Classification

Duration: 20:57
9.2: Syncope Terms & Definitions

Duration: 9:02
9.3: General Indications for Pacemakers

Duration: 16:30
9.4: ICD Indications for SCD Prevention (Part 1)

Duration: 17:20
9.5: ICD Indications for SCD Prevention (Part 2)

Duration: 7:12

Progress

Instructors

GCU Education Team
Physician Educators