Objective To investigate the epidemiology, clinical features and prognosis of new right bundle branch block, provide the basis for clinical diagnosis and treatment. MethodsThe clinical data of 378 patients with new hair right bundle branch block were analyzed, the data including clinical observation, medical records, follow-up. ResultsNew hair right bundle branch block is mainly seen in AMI, a total of 253 cases (66.9%), followed in pulmonary embolism, high blood pressure, lung, heart, trauma and inflammation, etc, among 253 patients with AMI, 167 cases were aged(84.8%).ConclusionsNew hair right bundle branch block is mainly seen in elderly patients with AMI, has severe illness and high mortality.

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