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Challenging Transseptal Catheterisations
Author(s): Maiwand Mirwais , Pasquale Santangeli Added: 8 months ago

Electrophysiology & Arrhythmia
Author(s): Mario Njeim , Frank Bogun Added: 3 years ago
Percutaneous ablation for ventricular tachycardia (VT) was first attempted in 1983 and has rapidly evolved to become an important option for controlling recurrent VTs.1 Endocardial ablation remained the only percutaneous approach until epicardial access was introduced by Sosa et al. in 1996 and thereafter became progressively more available as an adjunctive strategy for the treatment of… View more

Imaging & Diagnostics

Heart Failure
Author(s): George Thomas , Jiwon Kim , Bruce B Lerman Added: 3 years ago
CRT is an essential treatment for patients with heart failure and reduced ejection fraction as it can restore left ventricular (LV) electrical and mechanical synchrony. It has been shown to increase quality of life, improve functional status, reduce hospitalisation, improve LV systolic function and reduce mortality in properly selected patients.1,2 While CRT is an effective therapy, approximately… View more

Heart Failure

Electrophysiology & Arrhythmia
Author(s): Satish Raj , Robert Sheldon Added: 3 years ago
Syncope and palpitations are two common clinical presentations, and both pose difficulties in the approach to their management. They are both symptoms of a number of syndromes, and an efficient approach with targeted therapy is challenging. Cardiac arrhythmia specialists, who lack a compact and accessible guide to management, see many patients with these symptoms in consultation. Recognising this… View more

Standards & Guidelines

Electrophysiology & Arrhythmia
Author(s): Jorge G Panizo , Sergio Barra , Greg Mellor , et al Added: 3 years ago
Premature ventricular complexes (PVCs) are the most common ventricular arrhythmia. Their prognostic significance cannot be interpreted without considering the presence or absence of any associated underlying cardiac condition. In the absence of structural heart disease, PVCs were generally considered to be benign.1,2 In the 1970s and 1980s, it was postulated that frequent PVCs could be a trigger… View more

Heart Failure

Electrophysiology & Arrhythmia
Author(s): Rajiv Sankaranarayanan , Eleanor J Fleming , Clifford J Garratt Added: 3 years ago
Hypertrophic cardiomyopathy (HCM) is the most common genetic cardiovascular disorder worldwide with a prevalence of 1 in 500 in the general population.1 It can be defined as a condition that is typified by unexplained left ventricular hypertrophy (LVH) in the absence of other cardiac or non-cardiac conditions that could produce hypertrophy of similar proportions.2 The condition was the first… View more

Heart Failure
Catheter Ablation of Atrioventricular Nodal Re-entrant Tachycardia
Author(s): Demosthenes G Katritsis Added: 3 years ago
Although the exact circuit of atrioventricular nodal re-entrant tachycardia (AVNRT) still eludes us, AVNRT is the most common regular arrhythmia in humans, and therefore the most commonly encountered during ablation attempts for regular tachycardias.1–4 Catheter ablation for AVNRT is the current treatment of choice in symptomatic patients. It reduces arrhythmia-related hospitalisations and costs,… View more

Electrophysiology & Arrhythmia
Assessment of Substrates, Genetics and Risk Factors
Author(s): Dominik Linz , Sander Verheule , Aaron Isaacs , et al Added: 2 years ago

Electrophysiology & Arrhythmia
Cardiac Pacing in Reflex Syncope
Author(s): Marco Tomaino , Vincenzo Russo , Daniele Giacopelli , et al Added: 2 years ago

Electrophysiology & Arrhythmia
Wide Complex Tachycardia - Ventricular Tachycardia or Not Ventricular Tachycardia, That Remains the Question
Author(s): John B Garner , John M Miller Added: 3 years ago
A wide complex tachycardia (WCT) is simple enough to define: a cardiac rhythm with a rate >100 beats per minute and a QRS width >120 milliseconds (ms). Unfortunately, beyond this simple definition lies a complex differential diagnosis with prognoses ranging from utterly benign to potentially lethal, requiring treatment strategies ranging from medications to emergent non-sedated… View more

Electrophysiology & Arrhythmia