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In approximately one third of cases, DCM is familial with a genetic pathogenesis and various patterns of inheritance. Although the electrocardiogram (ECG) has been considered traditionally non-specific in DCM, the recently acquired knowledge of the genotype\u2013phenotype correlations provides novel opportunities to identify patterns and abnormalities that may point toward specific DCM subtypes. A learned ECG interpretation in combination with an appropriate use of other ECG-based techniques including ambulatory ECG monitoring, exercise tolerance test and imaging modalities, such as echocardiography and cardiovascular magnetic resonance, may allow the early identification of specific genetic or acquired forms of DCM. Furthermore, ECG abnormalities may reflect the severity of the disease and provide a useful tool in risk stratification and management. In the present review, we discuss the current role of the ECG in the diagnosis and management of DCM. We describe various clinical settings where the appropriate use and interpretation of the ECG can provide invaluable clues, contributing to the important role of this basic tool as cardiovascular medicine evolves.<\/jats:p>","DOI":"10.1002\/ejhf.1815","type":"journal-article","created":{"date-parts":[[2020,4,3]],"date-time":"2020-04-03T12:32:03Z","timestamp":1585917123000},"page":"1097-1107","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":98,"title":["The Electrocardiogram in the Diagnosis and Management of Patients with Dilated Cardiomyopathy"],"prefix":"10.1093","volume":"22","author":[{"given":"Gherardo","family":"Finocchiaro","sequence":"first","affiliation":[{"name":"Cardiothoracic Centre, Guy\u2019s and St Thomas\u2019 Hospital , London ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco","family":"Merlo","sequence":"additional","affiliation":[{"name":"Cardiovascular Department, A.O.U. Ospedali Riuniti , Trieste ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nabeel","family":"Sheikh","sequence":"additional","affiliation":[{"name":"Cardiothoracic Centre, Guy\u2019s and St Thomas\u2019 Hospital , London ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giulia","family":"De Angelis","sequence":"additional","affiliation":[{"name":"Cardiovascular Department, A.O.U. 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