Stories

Repolarization alternans: from bedside signal to risk stratification

Repolarization alternans is a beat-to-beat change in ventricular repolarization, seen as alternating T-wave morphology, amplitude, or timing on the…

Monitoring and managing atrial tachyarrhythmias after heart transplantation

Atrial tachyarrhythmias after cardiac transplantation are common, clinically diverse and often difficult to interpret. Atrial fibrillation, atrial flutter,…

Sinus Node Dysfunction in Elite Athletes: Clinical Decision-Making

Resting bradycardia is common in highly trained athletes, yet a low pulse is not automatically benign. Endurance training can produce increased vagal tone,…

Left Ventricular Summit Arrhythmias: Mapping And Ablation Challenges

Arrhythmias arising from the left ventricular summit occupy a difficult region at the intersection of ventricular myocardium, the coronary venous system, the…

Cardiac sympathetic denervation for refractory ventricular arrhythmias

Refractory ventricular tachycardia (VT), ventricular fibrillation (VF), and electrical storm can continue even after antiarrhythmic drugs, catheter ablation,…

Electrocardiographic Markers of Sudden Cardiac Death Risk in End-Stage Renal Disease

Sudden cardiac death (SCD) is a major cause of mortality in people with end-stage renal disease (ESRD), particularly among patients receiving maintenance…

Idiopathic Premature Ventricular Contractions: When Ablation Is Appropriate

Premature ventricular contractions (PVCs) are early ventricular depolarizations that interrupt an otherwise regular rhythm. They are common in healthy adults…

Arrhythmia burden in pulmonary arterial hypertension: prognostic significance

Pulmonary arterial hypertension (PAH) places sustained pressure and volume stress on the right atrium, right ventricle, and pulmonary circulation. As the…

A Clearer Way To Evaluate High-Payout Casino Games Online

Online casino players often search for pokies met hoge uitbetaling when they want slot games with attractive winning potential. The phrase usually refers to…

Atrial Fibrillation and Chronic Kidney Disease: Balancing Stroke Prevention and Rhythm Control

Atrial fibrillation (AF) and chronic kidney disease (CKD) frequently occur together, creating a clinical problem that extends beyond selecting an…