|2.||Dilated Cardiomyopathy (Cardiomyopathy, Congestive)
|3.||Mitral Valve Insufficiency (Mitral Regurgitation)
|4.||Coronary Artery Disease (Coronary Atherosclerosis)
|1.||McNitt, Scott: 17 articles (09/2015 - 04/2005)|
|2.||Zareba, Wojciech: 17 articles (09/2015 - 04/2005)|
|3.||Moss, Arthur J: 17 articles (09/2015 - 04/2005)|
|4.||Kutyifa, Valentina: 15 articles (09/2015 - 03/2013)|
|5.||Prinzen, Frits W: 14 articles (09/2015 - 01/2007)|
|6.||Goldenberg, Ilan: 12 articles (09/2015 - 12/2011)|
|7.||Strauss, David G: 11 articles (07/2015 - 03/2011)|
|8.||Gorcsan, John: 10 articles (09/2015 - 09/2003)|
|9.||Polonsky, Bronislava: 8 articles (09/2015 - 08/2013)|
|10.||Schwartzman, David: 8 articles (09/2015 - 09/2003)|
|1.||Dipyridamole (Persantine)FDA LinkGeneric
08/15/1991 - "Improved specificity of myocardial thallium-201 single-photon emission computed tomography in patients with left bundle branch block by dipyridamole."
01/01/1990 - "Because it seems that dipyridamole produces fewer false positive results, it should be used instead of stress testing to induce coronary vasodilatation in patients with left bundle branch block."
01/01/1990 - "Because of numerous reports of false positive results with thallium-201 (Tl-201) stress testing in patients with left bundle branch block, the authors decided to evaluate another mode of coronary vasodilatation, dipyridamole, for the diagnosis of coronary atheromatosis. "
08/01/2008 - "The aim of this study was to investigate the relationship between QRS duration, artifactual perfusion abnormalities, and left ventricular function in patients with left bundle branch block (LBBB) using dipyridamole technetium-99m sestamibi electrocardiography-gated single-photon emission computed tomography (SPECT). "
01/01/2005 - "To review the results of myocardial perfusion during rest and post-pharmacological stress induced by dipyridamole and analyze the SPECT images in patients with complete left bundle branch block LBBB, comparing the results in the presence of a normal coronary angiographic study and with critical coronary obstructions. "
|2.||Verapamil (Calan)FDA LinkGeneric
01/01/1996 - "The aim of this study was to assess the value of this criterion when applied to patients with right bundle branch block pattern, left-axis deviation (fascicular) VT sensitive to verapamil. "
03/01/1990 - "The ranges of phase 3 bundle branch block, phase 4 bundle branch block and normal conduction were very similar in control studies 1 and 2. The phase 3 bundle branch block range was slightly shortened by verapamil (983 +/- 83.5 ms in control 1; 930 +/- 69.4 ms at the peak effect of verapamil), whereas phase 4 bundle branch block remained unchanged. "
04/01/1988 - "The ECG during sinus rhythm showed normal PR and QRS intervals, but it showed a left bundle branch block configuration during atrial pacing or after injection of verapamil. "
11/01/1993 - "This study examines the efficacy of verapamil for the suppression of idiopathic ventricular tachycardia (VT) of left bundle branch block LBBB-like morphology. "
12/01/1998 - "Verapamil-sensitive left ventricular tachycardia (VT) with a right bundle branch block (RBBB) configuration and left-axis deviation has been demonstrated to arise from the left posterior fascicle, and can be cured by catheter ablation guided by Purkinje potentials. "
03/01/1997 - "The purpose of the current study was to document the dobutamine induced false-positive septal defect in terms of its frequency and extent on 201Tl myocardial SPECT in patient with left bundle branch block (LBBB). "
11/01/2009 - "Quantitative assessment of strain and strain rate by velocity vector imaging during dobutamine stress echocardiography to predict outcome in patients with left bundle branch block."
09/01/2009 - "We report the case of an 80-year-old man with a preexistent right bundle branch block (RBBB) who underwent dobutamine stress echocardiography. "
08/01/2009 - "We hypothesize that the chronotropic action of dobutamine induced alterations of wall motion, leading to spurious perfusion defects, not unlike artifacts seen with left bundle branch block. "
07/01/2009 - "In 6 out of 9 patients, HFS in the left PA during dobutamine infusion induced monomorphic PVCs and/or VT with left bundle branch block (LBBB) morphology and inferior axis at an average stimulation level of 12.5 +/- 2.7 V. HFS in the main PA and in the proximal PA did not induce any ventricular arrhythmias with the highest energy of 15 V in baseline state and during dobutamine infusion. "
03/01/2008 - "This study was planned in order to investigate the effect of left bundle branch block (LBBB) on myocardial velocities obtained by tissue Doppler echocardiography (TDE) and myocardial performance index (MPI). "
07/10/2007 - "Pts. with left bundle branch block at baseline should undergo DDD-PM implantation prior to ablation."
11/01/2004 - "Subjects with isolated LBBB (n=20), right bundle branch block (RBBB, n=20), and controls (C, n=20) were studied with standard two-dimensional (2D), and color-encoded tissue-Doppler echocardiography (TDE). "
12/01/1996 - "8 NYHA IV CHF patients were included with a LV delay due to 1/ preexistent pacemaker in 4 pts (2 VVI and 2 DDD); 2/ left bundle branch block in 2 pts; 3/ intraventricular conduction delays in 2 pts. An acute hemodynamic evaluation was performed. "
12/01/1994 - "Despite the presence of left bundle branch block, DDD pacing reduced LVOT obstruction significantly in 15 patients (LVOT gradient, baseline 89 +/- 36 mm Hg versus 18 +/- 26 mm Hg at follow-up, P < .0001). "
01/01/2011 - "Repeat ECG after adenosine treatment revealed sinus rhythm with persistence of the left bundle branch block pattern. "
10/01/2009 - "Left bundle branch block (LBBB)/superior axis morphology was most frequent morphology in adenosine group (55%). "
08/18/2005 - "Rate-dependent left bundle branch block unmasked by adenosine."
09/01/2000 - "Patients unable to exercise and those with left bundle branch block received adenosine infusion alone (adenosine-nonexercise n = 286). "
03/01/1995 - "Frequency of false-positive septal defects on adenosine/201T1 images in patients with left bundle branch block."
09/01/2010 - "Spontaneous remission of left bundle branch block immediately after denitrogenation with inhalation of 100% oxygen prior to anesthetic induction."
11/01/2014 - "Electrocardiography showed right bundle branch block and a drop in oxygen saturation from 98 to 70%. "
03/01/2006 - "Bundle branch blocks, in particular LBBB, are associated with an increased coronary flow velocity, which indicates enhanced myocardial oxygen demand on the basis of mechanoenergetic disturbance. "
12/19/2000 - "Ten DCM patients with left bundle-branch block (ejection fraction 20+/-3%, QRS duration 179+/-3 ms, mean+/-SEM) underwent cardiac catheterization to measure ventricular and aortic pressure, coronary blood flow, arterial-coronary sinus oxygen difference (DeltaAVO(2)), and MVO(2). "
01/21/1982 - "Oxygen therapy increased basal mean SaO2, reduced ectopic activity, abolished ST-T changes and bundle-branch block, significantly reduced the resting heart rate and the amplitude of the R and S waves, and shortened the QTc in four nonsmokers. "
|7.||Nicorandil (SG 75)IBA
|8.||Nitroglycerin (Dynamite)FDA LinkGeneric
01/01/1991 - "Glyceryl trinitrate relieved the fascicular block. "
01/01/1981 - "The nitroglycerin (NTG) exercise test can help in detecting ischemia in the presence of right bundle branch block (RBBB), left bundle branch block (LBBB), or digitalis-induced exercise ST changes and in excluding ischemia when a falsely positive test is suspected. "
|9.||Calcium Channel Blockers (Blockers, Calcium Channel)IBA
02/01/2002 - "Calcium channel blockers as first line treatment for broad complex tachycardia with right bundle branch block: ingenuity or folly?"
05/01/2006 - "Risk factors for permanent pacing after aortic valve replacement (AVR) identified by univariate analysis were female sex, hypertension, preoperative ejection fraction, aortic stenosis, annular calcification, bicuspid aorta, presence of right bundle branch block (RBBB) or left bundle branch block (LBBB), prolonged aortic cross-clamp and perfusion times, and preoperative use of calcium channel blockers. "
|10.||carvedilol (Coreg)FDA LinkGeneric
03/01/2008 - "Persistent left bundle branch block in a patient with dilated cardiomyopathy that improved with low dose carvedilol therapy."
01/01/2015 - "We here report a HF patient with left bundle branch block due to nonischemic cardiomyopathy who did not respond to 20 mg/day of carvedilol in terms of LVRR. "
|1.||Cardiac Resynchronization Therapy
10/01/2007 - "Cardiac resynchronization therapy is effective in patients with a low ejection fraction and left bundle branch block, but 20%-30% do not respond despite selection of the optimal site for pacing on the left ventricle. "
02/01/2012 - "Studies in canine hearts with acute left bundle branch block (LBBB) showed that endocardial left ventricular (LV) pacing improves the efficacy of cardiac resynchronization therapy (CRT) compared with conventional epicardial LV pacing. "
07/01/2015 - "Cardiac resynchronization therapy (CRT) has been shown to improve left ventricular (LV) function and exercise performance in patients with left bundle branch block. "
12/01/2012 - "If confirmed in prospective studies, our results may help to predict the prognosis of patients with left bundle branch block and different degrees of interVD and intraVD, particularly those subjects undergoing cardiac resynchronization therapy."
01/01/2008 - "The indications and efficacy of cardiac resynchronization therapy (CRT) have not been sufficiently clarified in patients with right bundle branch block (RBBB). "
05/01/2014 - "At 7 years of follow-up after initial enrollment, the cumulative rate of death from any cause among patients with left bundle-branch block was 18% among patients randomly assigned to CRT-D, as compared with 29% among those randomly assigned to defibrillator therapy alone (adjusted hazard ratio in the CRT-D group, 0.59; 95% confidence interval [CI], 0.43 to 0.80; P<0.001). "
07/01/2009 - "Cardiac synchronization treatment with implanted cardiac defibrillator (CRT-ICD) had been given to a 52-year old women because she had markedly reduced left ventricular function and a left bundle branch block. "
04/01/2006 - "Electrocardiographic right bundle branch block morphology during cardiac pacing is occasionally the result of accidental placement of pacemaker or defibrillator leads into the left ventricle. "
01/01/1997 - "Transient and significant decrease in R wave amplitude, associated with transient right bundle branch block, was noted to occur after defibrillation in a defibrillator patient. "
07/01/1996 - "The last seems to be the most probable, which would justify implantation of an automatic implantable cardiac defibrillator with backup pacing in all patients, especially in the presence of bundle branch block."
09/01/2000 - "Left bundle-branch block patients have a high mortality after MI but are unlikely to receive reperfusion therapy despite evidence from clinical trials demonstrating the efficacy of thrombolytic therapy. "
07/01/1990 - "Improved survival occurs after thrombolytic therapy in patients with ST segment elevation or left bundle branch block, but not in those with isolated ST depression or a normal electrocardiogram. "
09/01/1997 - "The management of patients with left bundle branch block remains uncertain; cardiologists are more likely to recommend thrombolytic therapy than any of the other participants in the study."
01/01/2015 - "Right bundle branch block (RBBB) may be an isolated sign of AMI, and was previously considered as a criterion for fibrinolytic therapy. "
04/18/2006 - "Using data from the National Registry of Myocardial Infarction-4, we studied patients with STEMI or left bundle branch block who received acute reperfusion with either fibrinolytic therapy (n = 35,370) or primary percutaneous coronary intervention (PCI) (n = 21,277) within 6 h of admission. "
04/01/1986 - "A lateral radiograph, a 12-lead ECG and an echocardiographic study are helpful for detecting and interpreting an unusual catheter position or a right bundle branch block configuration in the pacemaker ECG."
10/01/1985 - "[Transitory right bundle branch block during a hemodynamic study using the Swan-Ganz catheter]."
01/01/1983 - "Eight cases of catheter-induced right bundle branch block (RBBB) in children during electrophysiologic studies are presented. "
05/01/1981 - "We describe a patient with complete intra-Hisian A-V block and narrow QRS who developed catheter-induced right bundle branch block during an electrophysiological study. "
10/01/2014 - "There was some difficulty placing the catheter, but successful capture with a left bundle-branch block pattern was obtained. "
|5.||Angioplasty (Angioplasty, Transluminal)
05/01/2000 - "Exercise-induced QTc-interval changes for predicting improvement in regional blood flow in ischemic myocardium and cardiac output after coronary angioplasty in patients with right bundle-branch block."
06/01/1999 - "Out of 3308 patients treated with primary angioplasty or thrombolysis, 737 (22.3%) belonged to one of the following groups, not included in current randomized trials: Left bundle branch block, non-diagnostic first ECG, pre-hospital delay > 12 hours or unknown pre-hospital delay. "
06/14/2000 - "A cohort of 27,080 consecutive patients with acute MI associated with ST-segment elevation or left bundle-branch block who were treated with primary angioplasty. "
10/01/1999 - "The QRS complex and ST-segment changes of 29 patients with bundle-branch block were studied during elective coronary angioplasty using continuous vectorcardiography. "
10/01/1999 - "To elucidate vectorcardiographic changes during coronary angioplasty of patients with bundle-branch block. "