Electrocardiographic abnormalities in South Indians, a community study
Written By : Dr. Nandita Mohan
Medically Reviewed By : Dr. Kamal Kant Kohli
Published On 2022-09-14 03:30 GMT | Update On 2022-09-14 03:30 GMT
Researchers analyzed ECG abnormalities in adults as part of a community survey of prevalence of coronary artery disease and risk factors from South India. Study is published in Indian Heart Journal.
In this cross-sectional study of men and women between the ages 20 to 79 years, ECGs recorded digitally were analyzed for abnormalities in 4630 participants. The overall prevalence of ECG abnormalities was higher in men. QRS axis deviation, first degree AV block, fascicular blocks, incomplete right bundle branch block, sinus bradycardia and ST elevation in the anterior chest leads were also markedly higher in men.
Sinus tachycardia and low voltage QRS occurred more often in women. The overall prevalence of atrial fibrillation was 0.32% which was markedly lower than the western data. Brugada and early repolarisation patterns occurred in 1.06% and 1.56% respectively, equal in both age groups, but markedly higher in men.
So in this community-based study, prevalence of major electrocardiographic abnormalities was found to be high. Hence, the researchers concluded that in overall, men had significantly higher ECG abnormalities.
Reference: Mangalath Narayanan Krishnan a, Zachariah Geevar; A community-based study on electrocardiographic abnormalities of adult population from South India- Findings from a cross sectional survey, DOI: https://doi.org/10.1016/j.ihj.2022.05.001.
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