Results 211 to 220 of about 519,683 (351)

Recurrent syncope with seizure-like features: the role of emergency monitoring in revealing intermittent AV block. [PDF]

Int J Emerg Med
Le HTT, Nguyen NX, Pham NT, Tran QV, Tran HNT, Tran NH.   +5 more
europepmc   +1 more source

Atypical development of resting respiratory sinus arrhythmia in children at high risk for depression.

Developmental Psychobiology, 2012
A. Gentzler, J. Rottenberg, M. Kovács, C. George, Jennifer N. Morey   +4 more
semanticscholar   +1 more source

The apicobasal dispersion of ventricular repolarization in humans is associated with age and affects arrhythmia vulnerability

The Journal of Physiology, EarlyView.
Abstract figure legend We investigated the age‐ and sex‐related differences in the apicobasal repolarization gradient (ABRG) and evaluated their possible role inventricular arrhythmia vulnerability. Electrocardiographic imaging (ECGI) was performed in healthy subjects during sinus rhythm, and the average recovery time (RT) and activation–recovery ...
Vladimír Sobota, Job Stoks, Kiran Haresh Kumar Patel, Roshni Shetty, Haibo Ni, Eleonora Grandi, Fu Siong Ng, Paul G. A. Volders, Matthijs J. M. Cluitmans, Jason D. Bayer   +9 more
wiley   +1 more source

Loss-of-Function Mutation RyR2-A4860G Confers an Arrhythmia Phenotype in Mice Inconsistent With Calcium Release Deficiency Syndrome. [PDF]

Circ Arrhythm Electrophysiol
Pattridge HK, Ponce-Balbuena D, Ríos Pérez EB, Eckhardt LL, Valdivia HH, Alvarado FJ.   +5 more
europepmc   +1 more source

Haemodynamic‐energetic mechanism of sudden cardiac death in severe aortic stenosis: A modelling study

The Journal of Physiology, EarlyView.
Abstract figure legend A sudden decrease in total peripheral resistance (TPR), as observed during vasovagal syncope, leads to a reduction in aortic systolic pressure (AO pressure) and afterload. In healthy individuals, the consequent decrease in left ventricular systolic pressure (LV pressure) lowers stroke work and myocardial energy expenditure.
Martin Dvoulety, Michal Sitina
wiley   +1 more source

Relationship Between Complex Signal Identification and Non-Pulmonary Vein Foci. [PDF]

J Arrhythm
Kono H, Hiroshima K, Misonou K, Onuki K, Kuroda M, Hirokami J, Katsuki T, Kuji R, Korai K, Fukunaga M, Nagashima M, Ando K.   +11 more
europepmc   +1 more source

Statistical strategies to quantify respiratory sinus arrhythmia: Are commonly used metrics equivalent?

Biological Psychology, 2012
Gregory F. Lewis, S. A. Furman, M. F. McCool, S. Porges   +3 more
semanticscholar   +1 more source

The influence of delayed ventricular activation on cardiac repolarization: Insights from electrocardiographic imaging

The Journal of Physiology, EarlyView.
Abstract figure legend This study examines the relationships between activation and repolarization times in epicardial reconstructed unipolar electrograms derived from ECG‐imaging in patients with normal and delayed ventricular activation. In patients with a narrow QRS‐complex, ECG‐imaging reveals significant variability in the activation ...
Karin C. Smits, Ted E.M. Lempers, Marc Strik, Job Stoks, Roel Meiburg, Matthijs J.M. Cluitmans, Paul G.A. Volders, Kevin Vernooy, Frits W. Prinzen, Uyên Châu Nguyên   +9 more
wiley   +1 more source

Atrial fibrillation substrate mapping with emphasis on voltage-based guidance. [PDF]

World J Cardiol
Ciaccio EJ, Hsia HH, Yarmohammadi H, Wan EY, Peters NS, Saluja D, Biviano AB.   +6 more
europepmc   +1 more source

Repolarization adaptation to rapid change in heart rate in human models – a review

The Journal of Physiology, EarlyView.
Abstract figure legend This review focuses on non‐invasive assessment of repolarization duration and dispersion (heterogeneity) adaptation to change in heart rate (HR). HR was increased incrementally by left atrial pacing during an electrophysiology (EP) study and by a bolus injection of atropine and in a step up/down fashion by repeated right atrial ...
Lennart Bergfeldt, Karl‐Jonas Axelsson, Pia Dahlberg, Farzad Vahedi, Gunilla Lundahl, Lennart Gransberg   +5 more
wiley   +1 more source