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A literature review was performed through Ovid and PubMed, where at total of 93 cases of rate\u2010related LBBB were identified. Cases were reviewed, and data were collected on rates of appearance and disappearance as well as the presence or absence of cardiac memory. There is some overlap in the rate at which LBBB appears. Cardiac memory is associated with rate\u2010related LBBB in several cases, but its true prevalence is unknown. Cardiac memory is a phenomenon that is well described in the literature but is often underrecognized in clinical practice. As a consequence of overlooking this phenomenon and not including cardiac memory in the differential when T\u2010wave abnormalities are observed, patients may be subjected to unnecessary invasive diagnostic testing.<\/jats:p>","DOI":"10.1002\/clc.22997","type":"journal-article","created":{"date-parts":[[2018,6,19]],"date-time":"2018-06-19T17:15:19Z","timestamp":1529428519000},"page":"1097-1102","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Rate\u2010related left bundle branch block and cardiac memory in a patient with bradycardia: Case report and literature review"],"prefix":"10.1002","volume":"41","author":[{"given":"Luke","family":"Seibolt","sequence":"first","affiliation":[{"name":"Department of Cardiology, Banner University Medical Center  Phoenix 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