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CorSalud
versão On-line ISSN 2078-7170
Resumo
ROJAS FARINAS, Liset de la C.; CARMONA PUERTA, Raimundo e LOPEZ MACHADO, Rafael. Electrocardiographic abnormalities in hospitalized elderly patients. CorSalud [online]. 2019, vol.11, n.2, pp. 129-138. ISSN 2078-7170.
Introduction:
Aging causes an increase in cardiovascular morbidity that can be reflected in the electrocardiogram, but not all older adults' subpopulations have been systematically studied.
Objectives:
To determine the main electrocardiographic alterations that occur in elderly patients with cardiovascular morbidities.
Method:
Cross-sectional descriptive study in 148 patients ≥ 60 years, with cardiovascular morbidities, admitted to the Internal Medicine service of the "Hospital Celestino Hernández Robau" in Villa Clara. Electrocardiographic variables suggestive of cardiac involvement were identified.
Results:
The average age was 77.4 ± 8.2 years. Atrial fibrillation was seen in 16.9% of cases. There were alterations of ventricular repolarization in 39.3% of cases, as well as left/right bundle branch block in 14.4% and 5.4% respectively. A 24.7% of patients presented left atrial abnormality and 17.8% QT prolongation. The highest number of cases with electric left ventricular hypertrophy was detected with the R aVL criteria (9 patients [10.2%]).
Conclusions:
The most frequent rhythm disorder was atrial fibrillation. Alterations of ventricular repolarization prevailed over those of depolarization with no association with sex or skin color. There was a considerable number of cases with left atrial abnormality, left ventricular hypertrophy and long QT.
Palavras-chave : Older adults; Electrocardiography; Morbidity; Cardiovascular diseases.