'n Eksperimentele evaluering van die ultralaefrekwensieversnellings ballistokardiogram van die rot
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North-West University (South-Africa)
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Abstract
AN EXPERIMENTAL EVALUATION OF THE ULTRA
FREQUENCY ACCELERATION BALLISTOCARDIOGRAM
THE RAT
An indirect method that can be used for the evaluation
of cardiovascular changes in man and small animals can
be of great use in supplying knowledge about nutritional,
metabolic and genetic aspects of the cardiovascular
system.
Ballistocardiography is an indirect method that might
be suitable.
Ballistocardiography is a record of the time derivatives
of the movements of the body in various directions
caused by the shifts in the centre mass of the blood
with contraction of the heart. In this study the longitudinal
acceleration ballistocardiogram of the rat is
recorded.
The aim of this study was to determine whether the ballistocardiogram
could be used for evaluation of cardiovascular
changes in longterm studies and also to
determine if the binding of the heart to the chest wall
has any influence on the ballistocardiogram.
It has been pointed out that the ballistocardiogram
cannot be optimally calibrated. ...
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MSc (Fisiologie), North-West University, Potchefstroom Campus