scholarly journals Randomized comparison between posterior and septal isthmus line of ablation on atrioventricular conduction in patients with atrial flutter

EP Europace ◽  
2001 ◽  
Keyword(s):  
Atrial Flutter ◽  
Atrioventricular Conduction

scholarly journals M-mode Diagnosis of Tachyarrhythmia Can be Erroneous Owing to “Pseudo 1:1 Atrioventricular Movement” of the Atrial Wall Adjacent to the Atrioventricular Valve Possibly due to Atrioventricular Constraint: A Case of Neonatal Atrial Flutter With 2:1 Atrioventricular Conduction

2018 ◽  
Vol 12 ◽  
pp. 117954681877170
Author(s):  
Akiko Kawano ◽  
Ayumi Oshima ◽  
Satoshi Masutani ◽  
Akio Ishiguro ◽  
Yoichi Iwamoto ◽  
...  
Keyword(s):  
Atrial Flutter ◽  
Atrioventricular Conduction ◽  
Ventricular Wall ◽  
Atrioventricular Valve ◽  
Atrial Wall ◽  
Fetal Tachyarrhythmia

M-mode echocardiography has been playing an important role in the diagnosis of fetal tachyarrhythmia. We recently encountered a neonatal case of atrial flutter with 2:1 atrioventricular conduction. However, M-mode erroneously indicated 1:1 atrioventricular movement. While the movement of the atrial wall far from the atrioventricular valve was much faster than that of the ventricular wall, the atrial wall adjacent to the atrioventricular valve fully synchronized to that of the ventricular wall. Thus, to avoid this novel pitfall, it would be important to add an additional assessment focusing on the movement of the atrial wall far from the ventricle.

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