$Prominent R wave in ECG lead V1 predicts improvement of left ventricular ejection fraction after cardiac resynchronization therapy in patients with or without left bundle branch block$

Prominent R wave in ECG lead V1 predicts improvement of left ventricular ejection fraction after cardiac resynchronization therapy in patients with or without left bundle branch block

Background QRS morphology on postprocedural ECG indicating posterolateral left ventricular pacing may be predictive of response to cardiac resynchronization therapy (CRT). Objective The purpose of this study was to assess whether a positive vector in V1 and/or negative vector in lead I on the first...

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Veröffentlicht in:	Heart rhythm 2015-10, Vol.12 (10), p.2141-2147
Hauptverfasser:	Bode, Weeranun D., MD, Bode, Michael F., MD, Gettes, Leonard, MD, Jensen, Brian C., MD, Mounsey, John P., BMBCh, PhD, Chung, Eugene H., MD, FHRS
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Biventricular pacing Bundle-Branch Block - diagnosis Bundle-Branch Block - physiopathology Bundle-Branch Block - therapy Cardiac resynchronization therapy Cardiac Resynchronization Therapy - methods Cardiovascular Echocardiography Electrocardiographic criteria Electrocardiography Female Humans Left bundle branch block Left ventricular ejection fraction Male Middle Aged Predictive Value of Tests QRS morphology Retrospective Studies Stroke Volume - physiology Time Factors Treatment Outcome Ventricular Function, Left - physiology
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