Abstract
Background Interventricular conduction delay is a progressive problem and in patients with heart failure it portents a poor prognosis, especially LBBB. However, the myopathological etiology of IVCD remains poorly understood. Cardiac MRI (CMR) is a very sensitive method to delineate myocardial tissue abnormalities due to inflammation, ischemia, infarction or infiltration, and the relationship of the presence of any abnormal septal delayed hyperenhancement (DHE) to the conduction system may be important.
Highlights
Interventricular conduction delay is a progressive problem and in patients with heart failure it portents a poor prognosis, especially LBBB
A study of 215 consecutive pts with delayed hyperenhancement (DHE) CMRI performed in the last 18 months and their most proximate EKG was analyzed for QRS duration, LBBB, RBBB and interventricular conduction delay (IVCD) pattern
50/86 (58%) of DHE+ patients showed some type of EKG abnormality (RBBB, LBBB or IVCD), along with 64/89 (72%) of DHE- revealing some level of conduction abnormality (χ2 = 3.07, 1 df, p = .08)
Summary
Does MRI lend insight into septal enhancement patterns? The significance of conduction defects on EKG. Abstracts of the 13th Annual SCMR Scientific Sessions - 2010 Meeting abstracts - A single PDF containing all abstracts in this Supplement is available here. http://www.biomedcentral.com/content/files/pdf/1532-429X-11-S1-info
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