HeartRhythm Case Reports

Successful transseptal puncture and cryoballoon ablation of symptomatic paroxysmal atrial fibrillation via jugular access in a patient with bilateral thrombotic femoral vein occlusion

A feasible approach for His bundle pacing using a novel mapping system in patients receiving pacemaker therapy

Successful left atrial appendage closure using a percutaneous hepatic venous approach

A 35-year effective treatment of catecholaminergic polymorphic ventricular tachycardia with propafenone

Permanent His-bundle pacing from the right atrium in patients with prosthetic tricuspid valve

Hemodynamically significant iatrogenic atrial septal defects after cryoballoon ablation

Limitations of 12-lead electrocardiogram wide complex tachycardia algorithms in a patient with left atrial flutter and large myocardial infarction

A case of balloon angioplasty guided by integrated backscatter intravascular ultrasound for the treatment of pulmonary vein stenosis caused by radiofrequency atrial fibrillation

Adjuvant use of a cryoballoon to facilitate ablation of premature ventricular contraction–triggered ventricular fibrillation originating from the moderator band

Refractory ventricular tachycardia storm associated with severe hypokalemia in Fanconi syndrome

Seal plug damage causing inappropriate detection and therapy in a subcutaneous defibrillator system

Novel method of superior vena cava electrical isolation with close proximity to the phrenic nerve

Hepatic vein access for pulmonary vein isolation in patients without femoral vein access

Appropriate use of genetics in a young patient with atrioventricular block and family history of sudden cardiac death

Superior vena cava reconstruction and implantation of a leadless pacemaker for management of pacemaker-induced superior vena cava syndrome

Lead extraction complicated by right ventricular pseudoaneurysm: Percutaneous closure with septal occluder device

Giant colloid cyst of the brain masquerading as vasovagal syncope

Bipolar ablation with half normal saline for deep intramural outflow tract premature ventricular contraction

A wide QRS complex tachycardia utilizing an atypical accessory pathway in latent Wolff-Parkinson-White syndrome: Manifestation of anterograde conduction during atrial fibrillation without delta waves in sinus rhythm

Intramural anterolateral mitral annular idiopathic ventricular tachycardia successfully ablated from the atrium

Resolution of new left bundle branch block and ventricular tachycardia with immunosuppressive therapy in a patient with cardiac sarcoidosis

Temporary transvenous atrioventricular synchronous pacing using a single lead in a pediatric patient

Reply to the Editor— Strategy for revision of subcutaneous implantable cardioverter-defibrillator following inappropriate shock

A novel bio envelope and suture orientation for stabilization of the subcutaneous implantable cardioverter-defibrillator generator to the chest wall

Anterograde and retrograde insulated pathway conduction evidenced by intracardiac electrogram morphologies during premature ventricular contractions and sinus rhythm

Postinfarction monomorphic ventricular tachycardia originating from the moderator band

Potential compression neuropathy of the femoral nerve caused by the delivery sheath of a transcatheter leadless pacemaker

A single Mahaim accessory pathway with bidirectional delta waves

Atrial fibrillation ablation without pulmonary vein isolation in an atriopulmonary Fontan circulation

Is this vein isolated or not? How a new advanced algorithm helps find unconventional far-field sources

Immune checkpoint inhibitor–mediated myocarditis and ventricular tachycardia storm

Venoarterial extracorporeal membrane oxygenation and implantable cardioverter-defibrillator implantation in a hemodynamically unstable infant with ventricular tachycardia from multiple cardiac rhabdomyomas

Biventricular, endocardial, and epicardial substrate characterization for ventricular tachycardia and correlation with whole-heart macropathology and histopathology in a patient with lamin A/C cardiomyopathy

Corrigendum to ’Intra-pulmonary vein “echo” beats’

Segmental left atrial appendage electrical isolation to avoid left phrenic nerve damage

First experience with hybrid thoracoscopic ablation and noncontact dipole density mapping in the setting of long-term persistent atrial fibrillation

Outpatient intravenous sotalol load to replace 3-day admission oral sotalol load

Precise mechanism of bradycardia after left atrial surgery using a superior transseptal approach

Swimming pool saline chlorination units and implantable cardiac devices: A source for potentially fatal electromagnetic interference

Ventricular tachycardia catheter ablation in arrhythmogenic right ventricular cardiomyopathy

Use of topical lidocaine in eliminating mechanically stimulated ventricular fibrillation in a patient with short QT syndrome

Catheter ablation of complex arrhythmic anomalies: Bayes syndrome, Wolff-Parkinson-White syndrome, atrial and dilated cardiomyopathy

Direct endoscopic visualization of physiological His-bundle pacing and surrounding anatomy within reanimated human hearts using visible heart methodologies

Papillary fibroelastoma on the aortic valve presenting as multiple cardiac arrests from electrical storm due to ischemia in patient without previous cardiac history

To the Editor— Bipolar ablation of refractory VT circuits: Current opportunities and limitations

Late evolution of arrhythmogenic cardiomyopathy in patients with initial presentation as idiopathic ventricular fibrillation

State of the Journal 2019: HeartRhythm Case Reports