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Pyrex Journal of Medicine and Medical Sciences

November 2014 Vol. 1(1), pp. 001-007

Copyright 2014 Pyrex Journals




Full Length Research Paper


Correlation Between Parasympathetic Power and Left Ventricular Ejection Fraction in Diabetes


*1Manjusha Joshi, 2Dr.K.D.Desai and 3Dr.M.S.Menon

*1 Electronics and Telecommunication Department, MPSTME /NMIMS Deemed to be University, India
2 Maharshi Parashuram College of engineering, Mumbai University, India
3 Cardiology department, Fortis-S.L.Raheja Hospital, Mahim W, Mumbai, India

Corresponding Author E-mail: mjmanjusha12@gmail.com

Accepted 16th November, 2014.



Abstract


Cardiac diseases are more prevalent in diabetics. Prevention is possible if they are diagnosed at the preclinical stage. Such diagnostic practices can control mortality and morbidity rate. The study is conducted with 24 normal subjects, 35 diabetic subjects with and without myocardial ischemia/infarction. All the cases are recorded at Fortis-S.L.Raheja hospital Mahim (W). ECG samples of 3-5 minute duration in sitting and supine position are collected. Randomness in age, class, sex and other parameters in ensured on the basis of the data collected as per the registration of the subjects. A mathematical model is developed that supports the observation that the dominance of parasympathetic power reduces the LVEF. HRV index-parasympathetic power and echocardiographic index-LVEF is found to have a positive medium degree of correlation in normal subjects and negative medium degree of correlation in diabetic subjects with and without myocardial ischemia/infarction R2 test result is not significant showing that the parasympathetic power does not predict echocardiogram index LVEF.

Keywords: II lead ECG, heart rate variability (HRV), parasympathetic power, auto regressive analysis, end diastolic volume, end systolic volume and left ventricular ejection fraction.

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