BMJ5h
Maintenance of sinus rhythm with an ablation strategy in patients with atrial fibrillation is associated with a lower risk of stroke and death
1 Department of Cardiology Research, Barts and The London NHS Trust, London, UK 2 Department of Cardiology, The Heart Hospital, London, UK Objective To investigate whether catheter ablation of atrial ...
BMJ19h
Fluid challenge and balloon occlusion testing in patients with atrial septal defects
Introduction Careful, stepwise assessment is required in all patients with atrial septal defect (ASD) to exclude pulmonary vascular or left ventricular (LV) disease. Fluid challenge and balloon ...
BMJ5d
Prevalence and functional impact of chronotropic incompetence in amyloid cardiomyopathy: a multicentre analysis
Background Little evidence is available about heart rate (HR) response to exercise as well as its relationship with functional capacity in amyloid cardiomyopathy. Then, in a multicentre cohort of ...
BMJ1d
202 Qrs fragmentation and low qrs voltages in veteran athletes
Background QRS fragmentation (FQRS), characterized by multiple peaks within the QRS, and low voltage QRS complexes (LQRS), are considered adverse risk markers that may indicate underlying myocardial ...
BMJ1d
Percutaneous cardiac support devices for cardiogenic shock: current indications and recommendations
Correspondence to Dr José P S Henriques, Academic Medical Center, University of Amsterdam, Department of Cardiology, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; j.p.henriques{at}amc.uva.nl ...
BMJ1d
A straightforward guide to the sarcomeric basis of cardiomyopathies
The sarcomere is the principal contractile unit of striated muscle. Mutations in genes encoding sarcomeric proteins are responsible for a range of diseases including hypertrophic, dilated and ...
BMJ9d
Machine learning with convolutional neural networks for clinical cardiologists
Correspondence to Dr James Philip Howard, National Heart and Lung Institute, Imperial College London, London W12 0NN, UK; research{at}cardiologists.london Understand the paradigm of machine learning.
BMJ2d
Cardiorespiratory risk factors as predictors of 40-year mortality in women and men
Dr Jane Ferrie, Department of Epidemiology and Public Health, UCL, 1-19 Torrington Place, London WC1E 6BT, UK; j.ferrie{at}ucl.ac.uk Objective: Most historical studies of cardiorespiratory risk ...
BMJ4d
Atrial fibrillation and risk of incident heart failure with reduced versus preserved ejection fraction
Objective Associations between atrial fibrillation (AF) and heart failure (HF) have been established. We compared the extent to which AF is associated with each primary subtype of HF, with reduced ...
BMJ12d
Vagally mediated atrioventricular block: pathophysiology and diagnosis
Vagally mediated atrioventricular (AV) block is defined as a paroxysmal AV block, localised within the AV node, associated with slowing of the sinus rate. All types of second-degree AV block, ...
BMJ13d
Normal values of B type natriuretic peptide in infants, children, and adolescents
Objective: To determine normal values of plasma B type natriuretic peptide from infancy to adolescence using a commercially available rapid assay. Setting: Tertiary referral centre. Design: The study ...
BMJ4d
Myocardial mechanics of percutaneous intramyocardial septal radiofrequency ablation
Correspondence to Dr Liwen Liu, Department of Ultrasound, Xijing Hospital, Xian, Shaanxi, 710032, China; liuliwen{at}fmmu.edu.cn; Professor David H Hsi, Heart & Vascular Institute, Stamford Hospital, ...