Resumo

GAMBOA ORTIZ, F. A.; MENDIETA ZERON, H.  e  MONTANO ESTRADA, L. F.. Electrocardiographic changes related to acute upper gastrointestinal hemorrhage. An. Med. Interna (Madrid) [online]. 2006, vol.23, n.5, pp.220-223. ISSN 0212-7199.

Introduction: Upper gastrointestinal bleeding is a common cause of medical attention, with a mortality in Mexico of 8.5%. Our main objective was to determine the association of this pathology with cardiac conduction disturbances and other clinical variables. Material and methods: We reviewed the electrocardiograms and files of patients attended for acute upper gastrointestinal bleeding at the Internal Medicine Service of the National Medical Center "20 de Noviembre", they must have had a previous normal electrocardiogram; excluding those with severe hemorrhage, this means, presented with hypotension managed with intravenous fluids and/or vasoactive drugs. Statistical analysis was performed using the SPSS10 program. Results and conclusions: 56 patients were included, 34 women and 22 men; 60.7% were older than 70 years. We report an association between acute upper gastrointestinal bleeding and electrocardiographic changes, principally right bundle branch block in 30.35% of cases.

Palavras-chave : Bundle-branch block; Electrocardiogram; Upper gastrointestinal bleeding.

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