A single shock during an episode of ventricular tachycardia: is the device working properly? [0.03%]
室性心动过速发作时的一次放电：起搏器工作正常吗？
Jesus Jimenez-Lopez,Miguel A Arias,Finn Akerstrom et al.
Jesus Jimenez-Lopez et al.
Emergency department admissions due to implantable cardioverter-defibrillator (ICD) shocks constitute an important patient group. The correct evaluation includes a review of system integrity and a careful analysis of stored intracardiac ele...
Yutaka Take,Hiroshi Morita
Yutaka Take
Fragmented QRS (fQRS) is a convenient marker of myocardial scar evaluated by 12-lead electrocardiogram (ECG) recording. fQRS is defined as additional spikes within the QRS complex. In patients with CAD, fQRS was associated with myocardial s...
Magnetic resonance imaging conditional pacemakers: rationale, development and future directions [0.03%]
磁共振成像兼容起搏器：原理、发展和未来方向
Edmond M Cronin,Bruce L Wilkoff
Edmond M Cronin
Pacemakers and other cardiac implantable electronic devices (CIEDs) have long been considered an absolute contraindication to magnetic resonance imaging (MRI), a crucial and growing imaging modality. In the last 20 years, protocols have bee...
Balloon Catheter Position and its Relationship with Esophageal Temperature during Pulmonary Vein Isolation using High-Intensity Focused Ultrasound [0.03%]
封堵导管位置及食道温度对其射频消融治疗肺静脉隔离过程中声功率密度的影响关系研究
Kars Neven,Andreas Metzner,Boris Schmidt et al.
Kars Neven et al.
Background: HIFU can achieve PVI, but severe esophageal complications have happened. We analyzed relative position of HIFU balloon catheter (BC) to esophageal temperature (ET) probe and correlated it to ET changes. ...
Catheter ablation of ventricular tachycardia originating from the left posterior papillary muscle guided by the shadow of a multipolar catheter [0.03%]
多极导管阴影指导下左后乳头肌起源室性心动过速的射频消融治疗
Shiro Nakahara,Noritaka Toratani,Kan Takayanagi
Shiro Nakahara
A 62-year-old man without structural heart disease underwent electrophysiological testing for ventricular tachycardia (VT). Hemodynamically unstable VT was induced after isoproterenol (ISP) provocation. Electroanatomical mapping using a mul...
Laurent Roten,Nicolas Derval,Patrizio Pascale et al.
Laurent Roten et al.
Ablation of ventricular tachycardia (VT) by conventional radiofrequency ablation can be impossible if the ventricular wall at the targeted ablation site is very thick, as for example the ventricular septum. We present a case of a patient wi...
Yves De Greef,R Tavernier,M Duytschaever
Yves De Greef
Although nowadays performed on a routine basis, catheter ablation of atrial fibrillation is associated with the potential for major complications. Improving the safety remains therefore an important challenge. This article summarizes the di...
Kelvin Ck Wong,Timothy R Betts
Kelvin Ck Wong
Mitral isthmus ablation forms part of the electrophysiologist's armoury in the catheter ablation treatment of atrial fibrillation. It is well recognised however, that mitral isthmus ablation is technically challenging and incomplete ablatio...
The design and use of an optical mapping system for the study of intracardiac electrical signaling [0.03%]
一种用于研究心脏内电信号的光学映射系统的设计与应用
Maneesh Shrivastav,Megan B Ghai,Ashish Singal et al.
Maneesh Shrivastav et al.
Fluorescent optical mapping of electrically active cardiac tissues provides a unique method to examine the excitation wave dynamics of underlying action potentials. Such mapping can be viewed as a bridge between cellular level and organ sys...