Arrhythmia & Electrophysiology Review Volume 9 • Issue 3 • Autumn 2020
Volume 9 • Issue 3 • Autumn 2020
www.AERjournal.com
Differential Diagnosis of Wide QRS Tachycardias Demosthenes G Katritsis and Josep Brugada
His–Purkinje Conduction System Pacing: State of the Art in 2020 Ahran D Arnold, Zachary I Whinnett and Pugazhendhi Vijayaraman
Rhythm Control in Heart Failure Patients with Atrial Fibrillation William Eysenck and Magdi Saba
Electrophysiology in the Era of Coronavirus Disease 2019 Vijayabharathy Kanthasamy and Richard J Schilling
Left ventricular septal pacing* Capture of the left side of the IVS, without capture of the conduction system
Selective left bundle branch pacing Capture of the LBB alone, without capture of local myocardium
Sharp ABL Sharp EGM ABL EGM Sharp ME Sharp EGMME EGM
Non-selective left bundle branch pacing Simultaneous capture of the LBB and local left ventricular septal myocardium
S-LBBP
LVSP
Sharb ABL Sharb EGM ABL EGM No or blunt No or MEblunt EGMME EGM
NS-LBBP
S-HBP Selective His bundle pacing Capture of the His bundle alone, without capture of local myocardium Left bundle branch
His
dle bran
AV node Annular plane
ch
Anodal capture Ring electrode captures the right side of IVS Simultaneous LBB capture by tip electrode
v1
V1
RVSP
ABL d ABL d
Micro 1–2 Micro 1–2
MiFi 1–2MiFi 1–2
Micro 2–3 Micro 2–3
MiFi 2–3MiFi 2–3
Anodal capture
Micro 3–1 Micro 3–1
Right ventricular septal pacing* Left bundle branch block morphology Site of approach for left bundle pacing
Myocardium-only pacing* Only the local myocardium is captured No capture of conduction system
v1
V1
ABL distABL dist
le
NS-HBP
MOP
II aVL
nd
bu
Right bun
Non-selective His bundle pacing Simultaneous capture of both the His bundle and local myocardium
II aVL
MiFi 3–4MiFi 3–4 Mid-septal capture* Morphology observed during traversal of IVS while attempting left bundle pacing
ABL p ABL p
Mid-septal capture
50 mm/s 10 mm/mV
Conduction System Pacing
The Effect of Shifting Precordial Electrodes
EGM showing fragmented bridging of the remaining gap on the PVI circle
ISSN – 2050-3369
Cardiology
Lifelong Learning for Cardiovascular Professionals
ABL proxABL prox
