Blood pressure (BP) in healthy individuals exhibits a diurnal variation, with a nighttime dip of
10%-20%. A persistently high nighttime BP is associated with increased cardiovascular …

Aims Rate adaptation of the action potential ensures spatial heterogeneities in conduction
across the myocardium are minimized at different heart rates providing a protective …

Since the first human electrocardiogram (ECG) recorded by Waller in 1887, the 12-lead ECG
has remained the standard tool to obtain electrophysiologic (EP) information from the heart …

Interest in inherited cardiovascular conditions (ICCs) is fueled by resources devoted to its
diagnosis, management, and research. The rapid advancement of DNA genomic …

A 52-year-old man with previous mitral valve replacement, cavotricuspid isthmus, and left-
sided roof-line ablation for previous typical atrial flutter and tachycardia presented with …

A 76-year-old Chinese woman presents to the emergency department with recurrent
palpitations for 3 months. She has a medical history of diabetes mellitus, hypertension …

Introduction In Brugada Syndrome (BrS), the substrate location and underlying
electrophysiological mechanisms that contribute to the characteristic ECG pattern are still …

Introduction Implantable cardio-defibrillators (ICDs) have proven benefit in treating lethal
ventricular arrhythmias and preventing sudden death (SD) in hypertrophic cardiomyopathy …

Introduction Sudden death in Brugada Syndrome (BrS) is associated with rest, when
parasympathetic tone predominates and/or sympathetic tone is diminished. Non-invasive …

Typical atrial flutter is one of the most common of the atrial tachyarrhythmias and highly
amenable to catheter ablation. This is based on a clear understanding of its …