STUDY OF VARIATIONS IN E.C.G. IN NORMAL INDIVIDUALS.
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2013, Vol 2, Issue 18
Abstract
The present study includes100 normal healthy individuals both males and females, 28 females and 72 males within the age groups from 16 years to 58 years were taken after careful clinical Examination to rule out any cardiac abnormality in particular, and other diseases in general; by following the given pattern. It is known that pulmonary, endocrinal, renal electrolytes and other abnormalities all can result in changes in the ECG pattern; a detailed careful clinical examination was done to rule out the above disorders. Infants were excluded from the study, as post partum period may be associated with changes pertaining to fetal circulation, which needs a separate study. Children below 15 years were also excluded from the study because incidence of congenital heart disease is more common in ages less than 15 years. Symptomatic individuals with any system were also not included in this study. Present study aims at Studying the: Rate, Rhythm, Axis, PR Interval, QRS duration, QT duration, PR and ST segments in a systematic way to note the following: 1.To see any abnormalities in all above parameters. (a)To note their frequency; (b)Whether they are related to age; (c)The types of abnormalities, (d)And to note a particular abnormality, whether it is a normal variant or associated with a silent diseased state (e)To study the variance and distribution of all the parameters. The 12 lead ECG(Electrocardiograph)Machine was taken for this study with 10 mm standardization. Resting ECG(Electrocardiogram) was taken for all the individuals. Conclusion: ECG varies from individual to individual even in normal individuals. Majority of the ECGs in normal individuals shows a pattern, which falls within normal range. A considerable percentage of individuals deviate from the normal pattern. The frequently observed abnormalities are Tachycardia, Bradycardia and ERS(Early Repolarisation Syndrome).Less frequently seen abnormalities are LAD(Left Axis Deviation), 10 heart block PVCs(Premature Ventricular Contractions) wandering pacemaker, RBBB(Right Bundle Branch Block)So understanding normal ECG and deviations in normal individuals is very important to interpret the diseased states, treating them, and giving the prognosis.
Authors and Affiliations
Padma Geethanjali, Usha Rani
Keywords
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