Ventricular Tachyarrhythmias
Figure 7.1 Algorithm to determine VT vs. SVT by Brugada et al. [2] (Used with permission) Figure 7.2 Algorithm to determine VT vs SVT with aberrancy by criteria developed in…
A Practical Guide to Radiofrequency Catheter Ablation of Atrial Fibrillation
Patient characteristic Better candidate Worse candidate Symptoms Highly symptomatic Asymptomatic Failed Class I or III antiarrhythmic drugs >1 0 AF classification Paroxysmal Long standing persistent Age at time of ablation…
Syncope, Tilt Testing, and Cardioversion
Figure 2.1 Age in years One of the most interested yet challenging features regarding the management of syncope is the diverse range of significance of a syncopal episode. Syncope can…
Wolff-Parkinson-White (WPW) Syndrome
Figure 4.1 Surface ECG morphologies from a patient with WPW in different situations. (a) Sinus rhythm with subtle preexcitation, (b) Preexcitation maximized by slow atrial pacing plus adenosine, (c) Preexcitation…
A Brief Overview of Supraventricular Tachycardias
Figure 3.1 ECG of AVNRT. Notice retrograde P waves forming a pseudo S pattern in several leads This short RP tachycardia involves a reentry mechanism within the AV node and…
Atrial Flutter
Figure 5.1 Typical atrial flutter EKG. Notice classic “saw tooth” p waves in inferior leads, and positive p waves in V1 and V2 Mechanisms of Atrial Flutter Atrial flutter can…
Cardiac Conduction and Bradycardia
Figure 1.1 (a–e) Three dimensional reconstruction using CARTO (Biosense-Webster) of the RA showing sinus rhythm impulse propagation represented by the red wavefront as it spreads across the right atrium from…
Hereditary Arrhythmias
Figure 8.1 Suggested risk stratification for life threatening cardiac events in non- genotyped patients with the long QT syndrome. ACA aborted cardiac arrest, KM Kaplan Meier, SCD sudden cardiac death….
