Influence of energy drinks on different cardiovascular parameters of healthy young males and females
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Energy drink intake is associated with acute changes in cardiovascular indices. However, amplitudes of electrocardiographic waves are scarcely studied and gender difference is also not very much explored. Purpose of preset study is to observe changes in electrocardiograph under the influence of energy drinks with focus on gender difference. Twenty healthy participants of average age of 22 years were enrolled in this study out of which half were males and half were females. This study was conducted in Department of Physiology, University of Karachi from July to October 2019. Participants were asked to have 500 ml of energy drinks and limb lead electrocardiography was done before (Before ED) and 2 hours after (After ED) drink intake. Recording and data analysis was done through Powerlab. Heart rate corrected QT interval (QTc), R wave and T wave amplitudes and heart rate were calculated and analyzed. Qtc was found increased (10%) in After-ED as compared to Before-ED. In contrast, T wave was found reduced (37%) in After-AD. These results were statistically significant (P < 0.05). These changes in QTc and T waves were similar in both males and females. Heart rate was not found changed in males but in females heart rate was increased from average 82 bpm in Before-ED to 92 bpm in After-ED and the difference was statistically significant (P < 0.05). Acute intake of energy drinks produces acute changes in electrocardiogram with no gender difference thus regular intake of these drinks should be avoided.
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Copyright (c) 2025 Fayzan Akhtar, Arifa Savanur, Quratulain Zia, Mudassir Rizvi
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