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Journal
1.“Determination of the Effect of Having Energy Drinks on Respiratory and Heart Function Analyzing Blood Perfusion Signal”Journal of Computers, Vol 9, No 8 (2014), 1817-1824, Aug 2014 doi:10.4304/jcp.9.8.1817-1824

In this work, we evaluate the effect of having energy drinks (ED) using laser doppler flowmetry (LDF) technique by analyzing blood perfusion and ECG signal after having energy drinks on different healthy human subjects. After having energy drinks, it is observed that the amplitude of blood perfusion signal increases around two fold. Further analyzing frequency spectrum of the blood perfusion signal using Fast Fourier transform, we have determined the effect of having energy drinks on respiratory and heart function. A significant change in heart activity after having energy drinks has been observed. The amplitude of frequency spectrum of LDF signal related to heart activity increase around three fold. The amplitude of ECG signal and amplitude of frequency spectrum also increase in response to having energy drinks. A little change is observed in respiratory activity as the amplitude of frequency spectrum of LDF signal corresponding to respiratory activity increases around 1.5 times after having energy drinks.


Conference
1.“Determination of the Effect of Having Energy Drinks on Respiratory and Heart Function Analyzing Blood Perfusion Signal”, 15th International Conference on Computer and Information Technology (ICCIT-2012), ISBN: 978-1-4673-4834-8, pp.113-118, December 22-24, 2012 (IEEE Xplore)

In this work, we evaluate the effect of having energy drinks (ED) using laser doppler flowmetry (LDF) technique by analyzing blood perfusion and ECG signal after having energy drinks on different healthy human subjects. After having energy drinks, it is observed that the amplitude of blood perfusion signal increases around two fold. Further analyzing frequency spectrum of the blood perfusion signal using Fast Fourier transform, we have determined the effect of having energy drinks on respiratory and heart function. A significant change in heart activity after having energy drinks has been observed. The amplitude of frequency spectrum of LDF signal related to heart activity increase around three fold. The amplitude of ECG signal and amplitude of frequency spectrum also increase in response to having energy drinks. A little change is observed in respiratory activity as the amplitude of frequency spectrum of LDF signal corresponding to respiratory activity increases around 1.5 times after having energy drinks.


2.“Determination of the Effect of having Energy Drinks on Tachycardia and Bradycardia by Analyzing HRV of ECG Signal”, 1st International Conference on Electrical, Computer and Telecommunication  Engineering(ICECTE-2012), ISBN: 978-984-33-5879-0, page-72, 01-02 December, 2012

In this work, heart rate variability (HRV) of ECG signal was analyzed to determine the effect of having energy drinks on tachycardia and bradycardia by observing 12 healthy human subjects. Tachycardia and Bradycardia are two abnormalities of ECG signal where Tachycardia happen when R-R interval < 0.6s and Bradycardia happen when R-R interval > 1s. After having energy drink it is observed that heart beat rate is increasing and that is 80 per minute whereas 75 per minute at the normal condition. Average R-R interval of QRS peak is also decreased here by increasing heart beat rate. By this we can said that after having energy drinks though heart beat increased but no tachycardia and bradycardia abnormalities are happened because the R-R interval is greater than 0.6s and smaller than 1s.


3.“Analyzing the Effect of Having Energy Drinks on Metabolic, Sympathetic and Myogenic Function by Wavelet Transforms Using Laser Doppler Flowmetry”, 2nd International Conference on Informatics, Electronics & Vision (ICIEV-2013), ISBN: 978-1-4799-0398-6, page-29, 17-18 May, 2013 (IEEE Xplore)

In this work, we evaluate the effect of having energy drinks (ED) using laser doppler flowmetry (LDF) technique by analyzing blood perfusion and ECG signal after having energy drinks on different healthy human subjects. After having energy drinks, it is observed that the amplitude of blood perfusion signal increases around two fold. Further analyzing frequency spectrum of the blood perfusion signal using Fast Fourier transform, we have determined the effect of having energy drinks on respiratory and heart function. A significant change in heart activity after having energy drinks has been observed. The amplitude of frequency spectrum of LDF signal related to heart activity increase around three fold. The amplitude of ECG signal and amplitude of frequency spectrum also increase in response to having energy drinks. A little change is observed in respiratory activity as the amplitude of frequency spectrum of LDF signal corresponding to respiratory activity increases around 1.5 times after having energy drinks.


4.“Analyzing Energy Drinks Effect on Respiratory and Cardiac Function by Wavelet Transforms Using Laser Doppler Flowmetry”, International Conference on Mechanical, Industrial and Materials Engineering 2013 (ICMIME2013), ISBN: 978-984-33-7879-8, page-783-786, 1-3 November, 2013.

Wavelet transform was used to analyze the effect of having energy drinks (ED) on respiratory and cardiac functions. Laser Doppler Flowmetry technique LDF100C (Biopac systems Inc.) was used on 12 healthy human subjects to analyze the effect of having energy drinks. After having energy drinks, by spectral analysis of LDF signal, it is observed that the amplitude of blood perfusion signal was increased. The physiological activities which include the frequency interval studied from 0.0095- 1.6 Hz was divided into five subintervals. Among them respiratory function due to 0.15-0.4 Hz and cardiac function due to 0.4-1.6 Hz, was measured in BPU2/Hz before and after having energy drinks. Discrete Wavelet transform was used for further analyzing frequency spectrum of the blood perfusion signal. A significant change was observed in these activities after having energy drinks. The amplitude of frequency spectrum of LDF signal related to respiratory activity increases around two fold. A little change was observed in cardiac function


5.“Heart Function Determination by Analyzing Sympathetic and Vagal Activity of ECG Signal after Having Energy Drinks”, 16th International Conference on Computer and Information Technology (ICCIT-2013), ISBN:978-1-4799-3497-3, pp.103-108, 8-10 March 2014 (IEEE Xplore)


6.“Analyzing QRS Complex, ST Segment and QT Interval of ECG Signal to Determine the Effect of Having Energy Drinks on Hypercalcaemia”, 16th International Conference on Computer and Information Technology (ICCIT-2013), ISBN:978-1-4799-3497-3, pp.109-114, 8-10 March 2014 (IEEE Xplore)

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