What is the mechanism of this short atrio‐His narrow QRS tachycardia?

2022 ◽  
Author(s):  
Shuntaro Tamura ◽  
Yoshiaki Kaneko ◽  
Tadashi Nakajima ◽  
Takashi Kobari ◽  
Hiroshi Hasegawa ◽  
...  
Keyword(s):  
Narrow Qrs

Diagnosis and Ablation of Fascicular Tachycardia

2011 ◽  
Vol 3 (1) ◽  
pp. 67
Author(s):  
Akihiko Nogami ◽  
Keyword(s):  
Ventricular Tachycardia ◽  
Right Bundle Branch Block ◽  
Axis Deviation ◽  
Exit Site ◽  
Rare Form ◽  
Bundle Branch Block ◽  
Diagnosis And Therapy ◽  
Narrow Qrs ◽  
Left Posterior ◽  
Qrs Morphology

Verapamil-sensitive fascicular ventricular tachycardia (VT) is the most common form of idiopathic left VT. According to the QRS morphology and the successful ablation site, left fascicular VT can be classified into three subgroups: left posterior fascicular VT, whose QRS morphology shows right bundle branch block (RBBB) configuration and superior axis (common form); left anterior fascicular VT, whose QRS morphology shows RBBB configuration and right-axis deviation (uncommon form), and upper septal fascicular VT, whose QRS morphology shows narrow QRS configuration and normal or right-axis deviation (rare form). Posterior and anterior fascicular VT can be successfully ablated at the posterior or anterior mid-septum with a diastolic Purkinje potential during VT or at the VT exit site with a fused pre-systolic Purkinje potential. Upper septal fascicular VT can also be ablated at the site with diastolic Purkinje potential at the upper septum. Recognition of the heterogeneity of this VT and its unique characteristics should facilitate appropriate diagnosis and therapy.

Narrow QRS complex tachycardia with a 2:1 atrioventricular block: What is the mechanism

2021 ◽  
Author(s):  
Yuichiro Miyazaki ◽  
Takashi Noda ◽  
Koji Miyamoto ◽  
Satoshi Nagase ◽  
Takeshi Aiba ◽  
...  
Keyword(s):  
Atrioventricular Block ◽  
Qrs Complex ◽  
Narrow Qrs ◽  
Narrow Qrs Complex

Paroxysmal short runs of irregular narrow QRS tachycardia: What is the mechanism?

2020 ◽  
Vol 31 (11) ◽  
pp. 3045-3047
Author(s):  
Ran Yin ◽  
Jintian Pen ◽  
Zeqi Zheng
Keyword(s):  
Narrow Qrs

scholarly journals A Narrow QRS Is Not Always Normal

2021 ◽  
Vol 3 (11) ◽  
pp. 1387-1389
Author(s):  
Hidenori Matsusaka
Keyword(s):  
Narrow Qrs

scholarly journals Regular, narrow QRS, long RP tachycardia – what is the mechanism?

2016 ◽  
Vol 25 (1) ◽  
pp. 56-57
Author(s):  
S. Tzeis ◽  
S. Pastromas ◽  
A. Sikiotis ◽  
G. Andrikopoulos
Keyword(s):  
Narrow Qrs

An uncommon mechanism of a short RP narrow QRS tachycardia?

2021 ◽  
Author(s):  
Shunsuke Uetake ◽  
Noriyuki Kobayashi ◽  
Toshiki Arai ◽  
Nobuaki Ito ◽  
Yasushi Miyauchi
Keyword(s):  
Narrow Qrs
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