STUDY OF CARDIAC OUTPUT BASED ON NON – INVASIVE IMPEDANCE PLETHYSMOGRAPHY IN HEALTHY VOLUNTEERS.

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C. V. P. D. L. P. P. A. G. H. B. M. Chinmay J Shah, “STUDY OF CARDIAC OUTPUT BASED ON NON – INVASIVE IMPEDANCE PLETHYSMOGRAPHY IN HEALTHY VOLUNTEERS”., ijmhs, vol. 2, no. 5, Oct. 2013.
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Abstract

Background-Impedance plethysmography is latest non – invasive technique to measure blood flow in any part of the body. As only heart rate & blood pressure is not sufficient to access a person’s haemodynamic status, cardiac output measured by this simple technique will help further to access heart’s functional status with avoidance of all complications associated with previous invasive techniques. Objective -To measure cardiac output noninvasively in healthy male volunteers of 2 age groups using impedance plethysmography & compare it with earlier study using different electrode placement technique. Also to compare cardiac parameters between these 2 age groups. Methods-Study has been done in 2 age groups (16–25 & 26–35 yrs), each of 26 healthy male subjects on Nivomon Series computerized software at Govt. Medical College, Bhavnagar. Results-Mean values of SV (Mean+SD) is 66.46+8.74 & 63.07+8.01; CO=5.08+0.9 & 4.8+0.68; CI=2.92+0.47 & 2.75+0.36 in respective age group. Compared with an earlier study (n=38), p>0.05. Also p>0.05 for comparison between 2 groups. Conclusion-No difference was there between 2 methods. There was no variation of parameters in this range of age group (16–35 yrs). So if it is further validated, than baseline normative data will be helpful in many future studies.

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