Effects of Caffeinated Beverage Consumption on Electrocardiographic Parameters among Healthy Adults

Md. Uddin, M. Hossain, M. Ahmad, Nawzat Ahmed and M. Rashid

Modern Applied Science, 2014, vol. 8, issue 2, 69

Abstract: The aim of this study is to investigate the effects of caffeinated beverage consumption on electrocardiographic parameters with several healthy young persons. Electrocardiogram (ECG) recordings have been performed with electrode lead set connected to MP36 data acquisition unit (Biopac, USA). Recordings of ECG as well as their analysis have been done using Biopac softwares at both before and after the consumption of caffeinated beverage available in Bangladesh. After having caffeinated beverage, the ECG parameters such as peak amplitude of different waves and their corresponding intervals of ECG signal have changed significantly. The peak amplitude of Q and S waves has not changed so significantly but P and T waves showed maximum decrement about 6% and 23% respectively. Besides, maximum increment in R peak of ECG is about 11% which may cause short term boost. Among different intervals of ECG, change in RR interval is more significant. RR interval increases from about 0.85 to 0.89 sec which is mainly liable to decrease heart rate from about 71 to 67 bpm due to the consumption of caffeinated beverage. The findings highlight insufficient increment in R peak amplitude but net decrement in peak amplitude of P and T waves as well as heart rate which may cause cardiac abnormality due to the regular consumption of caffeinated beverage.

Date: 2014
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