Premature Beats With QRS Morphology Identical to Sinus Rhythm: What Is the Mechanism [0.03%]
QRS波形与窦性心律相同的过早搏动的机制是什么？
Chengye Di,Wenhua Lin
Chengye Di
This case illustrates a rare presentation of premature junctional contractions arising from the atrioventricular nodal region, particularly the slow pathway, mediated by non-sustained reentrant activity. This mechanism does not result in su...
How to Prevent Recurrence of Idiopathic Lead Migration: A Case Report and Discussion of Management [0.03%]
特发性导线再移位的防治：病例报告及管理讨论
Shogo Sakamoto,Kenji Baba,Moritoshi Irishio et al.
Shogo Sakamoto et al.
Reverse ratchet syndrome is an extremely rare form of idiopathic lead migration. Firm fixation of the lead sleeve to the fascia is crucial to prevent recurrence; however, even with reinforced fixation, muscle motion or intrinsic sleeve desi...
Pseudoaneurysm and Arteriovenous Fistula After Femoral Puncture During Atrial Fibrillation Ablation: An Access-Site Pitfall in Large-Bore Femoral Procedures [0.03%]
房颤消融过程中股动脉穿刺后假性动脉瘤和动静脉瘘的形成：大口径股动静脉通路的并发症陷阱
Hikaru Masuda,Ryuta Watanabe,Yuya Koike et al.
Hikaru Masuda et al.
High femoral puncture during large-bore femoral procedures can injure the inferior epigastric artery, causing pseudoaneurysm and arteriovenous fistula. This case highlights the need for careful access-site selection using combined ultrasoun...
Electrophysiological Characteristics of Atrial Fibrillation Trigger Sites During Ongoing Atrial Fibrillation Using Ultra-High-Resolution Mapping [0.03%]
超高分辨率标测指导下的心房颤动位点电生理特征研究
Kohki Nakamura,Takehito Sasaki,Taiki Masuyama et al.
Kohki Nakamura et al.
Introduction: Atrial fibrillation (AF) triggers are commonly identified at the onset of AF, but the electrophysiological behavior of trigger sites during ongoing AF remains incompletely understood. This study aimed to cha...
A Simple Maneuver to Improve Catheter Stability at the Posterior Right Pulmonary Vein in a Small Left Atrium [0.03%]
小左心房后肺静脉导管不稳定的一种简单处理方法
Yosuke Nakatani,Shuntaro Tamura,Hiroshi Hasegawa et al.
Yosuke Nakatani et al.
A novel sheath-catheter maneuver enables stable and flush Varipulse ring positioning at the posterior antrum of the right pulmonary veins in anatomically constrained left atria, where conventional techniques may fail. ...
Electrophysiological Substrate and Ablation Outcomes in Atrial Fibrillation With Hypertrophic Cardiomyopathy: A Propensity-Matched Multicenter Study [0.03%]
肥厚性心肌病房颤的电生理特性和射频消融预后：一项多中心倾向匹配研究
Umair Abrar,Fazal Ghaffar,Muhammad Zuhaid et al.
Umair Abrar et al.
Background: Atrial fibrillation (AF) is the most common sustained arrhythmia in hypertrophic cardiomyopathy (HCM), yet the intracardiac electrophysiological substrate underlying recurrence following catheter ablation rema...
Channel and Spatial Parallel Attention for ECG-Based Prediction of Concealed Accessory Pathways and Atrioventricular Nodal Reentry Tachycardia [0.03%]
基于心电图预测隐匿旁路和房室结折返性心动过速的通道和空间并行注意力方法
Lei Wang,Hui Yan,Qi Cheng et al.
Lei Wang et al.
Background: Concealed accessory pathways (CAP) and atrioventricular nodal reentry tachycardia (AVNRT) represent diagnostically challenging forms of paroxysmal supraventricular tachycardia, with conventional sinus rhythm E...
Stepwise Progression and Successful Extraction of a Completely Transected EMBLEM S-ICD Model 3501 Lead [0.03%]
完全离断的EMBLEM S-ICD Model 3501导线的逐步取出过程及成功取铅病例报告
Junji Morita,Yuhei Kasai,Takayuki Kitai et al.
Junji Morita et al.
A 33-year-old man with an EMBLEM S-ICD (Model 3501) experienced complete lead transection. Despite preserved secondary-vector sensing, the lead was safely extracted using silk-suture extension and a Byrd sheath, illustrating stepwise lead i...
Impact of Pericardial Fat on Intracardiac Atrial Impedance and Generator Impedance [0.03%]
心包脂肪对房性起搏器植入患者的心内和心外起搏阈值的影响研究
Shogo Hamaura,Masaomi Kimura,Yuichi Toyama et al.
Shogo Hamaura et al.
Background: Generator impedance (GI) is a critical parameter that is measured during radiofrequency (RF) ablation. Factors influencing GI and its relationship with intracardiac atrial impedance (IAI) remain unclear; hence...
Adenosine-Sensitive Focal Atrial Tachycardia Late After Atriopulmonary Connection Fontan Procedure: A Case Report [0.03%]
房坦尼安术后的腺苷敏感性局灶性房速一例报告
Takahiko Kinjo,Daiji Takeuchi,Keiko Toyohara et al.
Takahiko Kinjo et al.
We describe a case of adenosine-sensitive focal atrial tachycardia (AT) in a patient late after atriopulmonary connection (APC) Fontan procedure. Radiofrequency application successfully abolished the AT; meanwhile, conversion to total cavop...