Search results

Filters
Close
ADDED DATE
Added date
AUTHOR Please select
TOPICS Please select
WATCH / LISTEN / READ TIME
Author(s): Nikolaos Fragakis , Gabriele Vicedomini , Carlo Pappone Added: 3 years ago
Although atrial fibrillation (AF) is considered the most common arrhythmia in clinical practice, its prevalence is relatively low in the young and middle-aged, ranging from 0.5 % in men below 40 years to 1 % by 60 years.1,2 Regular exercise is proposed as a powerful tool for the primary and secondary prevention of cardiovascular disease, reducing most of the risk factors that predispose to AF,… View more

Heart Failure

Electrophysiology & Arrhythmia
Author(s): Demosthenes G Katritsis , Bernard J Gersh , A John Camm Added: 3 years ago
Sudden cardiac death (SCD) is usually defined as death due to cardiac causes occurring within 1 hour of the onset of symptoms. Unexplained sudden death occurring in an individual older than 1 year of age is known as 'sudden unexplained death syndrome'. Unexplained sudden death occurring in an individual younger than 1 year of age is known as 'sudden unexplained death in infancy'. SCD with… View more

Heart Failure

Electrophysiology & Arrhythmia
Cardiac Resynchronisation with Conduction System Pacing
Author(s): Fatima M Ezzeddine , Isaac G Leon , Yong-Mei Cha Added: 8 months ago

Electrophysiology & Arrhythmia
Cardiac MRI to Manage Atrial Fibrillation
Author(s): Yan Zhao , Lilas Dagher , Chao Huang , et al Added: 3 years ago
AF is a common arrhythmia in clinical practice, with a prevalence of 2.7–6.1 million that is expected to rise to 5.6–12 million by 2050 in the US alone.1,2 Patients with AF have an increased risk of stroke and mortality and a decreased quality of life.3 In addition, management of AF increases the cost of healthcare.4,5,6 The mechanisms of AF are complex and are associated with electric and… View more

Imaging & Diagnostics
Unmasking Adenosine: The Purinergic Signalling Molecule Critical to Arrhythmia Pathophysiology and Management
Author(s): Gareth DK Matthews , Andrew Grace Added: 3 years ago
The use of adenosine in cardiology is ubiquitous. From arrhythmia to coronary intervention to cardiac imaging, adenosine is an essential part of everyday practice because of its widespread effects on electrophysiology and the coronary vasculature. Electrophysiologists will be most familiar with adenosine for its use in terminating supraventricular tachycardias (SVTs) that are dependent on the… View more

Heart Failure

Electrophysiology & Arrhythmia
Author(s): Mark Young Lee , Srinath Chilakamarri Yeshwant , Sreedivya Chava , et al Added: 3 years ago
Aortic stenosis (AS) is the most common valvular heart disease in industrialised countries with a prevalence of about 5 % in the general population aged greater than 75 years. During the past decade, transcatheter aortic valve replacement (TAVR) has emerged as a valuable, minimally invasive treatment option for patients presenting with symptomatic severe AS, who due to their advanced age and… View more

Vascular Disease and Surgery

Electrophysiology & Arrhythmia
Author(s): Cristina E Molina , Jordi Heijman , Dobromir Dobrev Added: 3 years ago
Optimal cardiac function depends on appropriate rate and force of contraction, with specific cardiac regions having developed particular beat-to-beat properties depending on their individual functions. For example, isovolumetric contraction time is shorter in the right ventricle (RV) than in the left ventricle (LV). At the cellular level, cardiac function is regulated by regional cardiomyocyte… View more

Electrophysiology & Arrhythmia
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): William G Stevenson Added: 3 years ago
I first met Mark Josephson in the early 1980s at his conference in Philadelphia, which I attended as a trainee. He was an inspiring figure, with his incisive commentary and enthusiasm for the field. It was there that I first heard Al Waldo explain entrainment, which he illustrated by drawing diagrams on a large flip chart. The discussion was spirited! Mark brought people together, then pushed… View more

Electrophysiology & Arrhythmia
Author(s): George D Katritsis , Demosthenes G Katritsis Added: 3 years ago
Implantable cardiac devices, such as pacemakers, are used to treat a number of heart conditions, especially those related to the electrical conduction system. Cardiac pacemakers are a well-established and effective therapy, and have been in use for more than 50 years. The first pacemaker was implanted in a patient in October 1958 by Åke Senning in Stockholm, in cooperation with engineer Rune… View more

Electrophysiology & Arrhythmia