Stories

Selective serotonin reuptake inhibitors (SSRIs) are widely prescribed for depression, anxiety, obsessive-compulsive disorder, and adjustment symptoms after…

Focal atrial tachycardia (AT) arising from the coronary sinus (CS) is an uncommon but clinically important substrate. These arrhythmias may originate near the…

Cardiac resynchronization therapy (CRT) has transformed care for selected patients with heart failure and electrical dyssynchrony. Its clearest benefit has…

Narrow QRS tachycardia is usually defined by a ventricular complex lasting less than 120 milliseconds during a rapid rhythm. This appearance suggests that…

Permanent pacing can prevent bradycardia, syncope, and pauses, yet the electrical sequence created by conventional right ventricular stimulation may have…

Refractory atrial fibrillation remains a difficult problem when symptoms, atrial remodeling, and recurrent arrhythmia persist after antiarrhythmic drugs or…

A drug-induced Brugada pattern is an electrocardiographic finding that can reveal latent sodium-channel dysfunction, result from direct toxic effects, or…

Atrial fibrillation ablation in patients with prior cardiac surgery requires more than applying a standard pulmonary vein isolation protocol. Previous…

Transvenous lead extraction (TLE) can resolve device infection, venous obstruction, lead malfunction, recalled hardware, and complications caused by abandoned…

Brugada syndrome (BrS) is an inherited arrhythmia syndrome associated with ventricular fibrillation, polymorphic ventricular tachycardia, and sudden cardiac…