Why the study?
Does hypertension lead to electrocardiographic changes reflecting left atrial abnormality compared to normal controls?
Population
76 hypertensive patients and 76 normal control subjects, matched for age and sex
Comparison
Hypertension vs Normal control subjects matched for age and sex
Design
Case-control
Authors
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Hypertension was associated with ECG left atrial abnormality; hypothesis-generating for arrhythmia risk and requires prospective validation.
Does hypertension lead to electrocardiographic changes reflecting left atrial abnormality compared to normal controls?
Left atrial abnormality on ECG is a frequent finding in hypertension, even in the absence of cardiac enlargement or coronary artery disease, and is associated with an increased frequency of atrial arrhythmias.
Tarazi et al. (1966) studied this question.
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