Clinical characteristics and prognosis significance of bundle-branch block
(BBB) associated with acute myocardial infarction (AMI).
Mehta N, Huang HD, Bandeali S, Wilson JM, Birnbaum Y (2012) Prevalence of acute myocardial infarction in patients with presumably new left bundle-branch block
. Journal of Electrocardiology 45(4): 361-367.
Regoli et al., "Characterization of left ventricular activation in patients with heart failure and left bundle-branch block
," Circulation, vol.
(fourth year) 1 Normal 2 Normal 3 Left axis deviation, left anterior fascicular block 4 Normal 5 Normal 6 Atrioventricular dissociation; intermittent left bundle-branch block
7 Normal 8 Normal 9 Right bundle-branch block
, left posterior fascicular block 10 Normal 11 Normal Acute phase echocardiogram Case No.
Differentiation of ischemic from nonischemic cardiomyopathy during dobutamine stress by left ventricular long-axis function: additional effect of left bundle-branch block
. Circulation 2003; 108:1214-1220.
Left bundle-branch block
is associated with increased 1-year sudden and total mortality rate in 5517 outpatients with congestive heart failure: A report from the Italian network on congestive heart failure.
Lightning victims may present with sinus tachycardia, transient ST-segment elevation or depression, QT prolongation, premature ventricular contractions, atrial fibrillation, or bundle-branch block
A 12-lead electrocardiograph (Figure 1) showed atrial fibrillation with ventricular pacemaker spikes associated with right bundle-branch block
, rather than the typical pattern of left bundle-branch block
Patients with an electronically paced ventricular rhythm (C) or left bundle-branch block
(B) require myocardial perfusion imaging.
The study enrolled patients with ST segment-elevation MI or new bundle-branch block
, presenting within 12 hours of symptom onset.