Abstract
Hypertension is often associated with obesity. Uncontrolled hypertension can lead to uncorrected cardiac dysautonomia that makes cardiac repolarization abnormally prolonged. Modern dietary habits, stress, and bad lifestyle habits make young adults vulnerable to hazards of health. We planned to study the association of body mass index (BMI) and blood pressure (BP) with corrected QT (QTc) intervals in young adults. After obtaining the written informed consent, 171 subjects were randomly selected in the age group of 18-35 years. A general history and physical examination were done before recording the BMI and BP. A 12-lead electrocardiogram was recorded and QTc calculated using Bazett's formula. The values obtained were compared and statistical analysis done. Of the 171 subjects 14.03% were hypertensive. The QTc interval was found to be prolonged in females and it is prolonged with age, BMI, and BP. QTc was significantly increased among the prehypertensive and hypertensive group and with the overweight and (or) obese BMI group compared with the normotensives and normal BMI group suggesting an altered autonomic homeostasis. This warrants lifestyle modification at a younger age to reduce the cardiovascular risk.
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