What is Realistic Geometric Cartographic Imaging?
The new field of Realistic Geometric Cartographic Imaging (RGCI) finds application in the field of science, technology, oil exploration, nuclear science, medical imaging etc. RGCI is a patent-pending imaging technique, where, in simple terms, the structure of an object is imaged based on the behavior of an object.
How is RGCI applied in Imaging Coronary Artery Stenosis?
The parameters for RGCI are first acquired. The acquired parameters are then mapped against a mathematical model and a cartogram is obtained, which is the collective behavioral pattern of the heart and its circulation status. The deviation difference of these behavioral patterns is then calculated and a three-dimensional array of image units are created which is embedded into a realistic geometry model of the structure of the coronaries. The image thus obtained is called Realistic Geometric Cartographic Image (RGCI) of the coronaries.
What are the parameters needed for RGC Imaging of Coronary Artery Disease?
Since the human cardiovascular system is a closed-loop fluid mechanics system, we will need all the parameters related to pressure, volume, and time to obtain the true behavior of the system.
How are such complex parameters obtained non-invasively?
All these complex parameters are obtained using high precision data acquisition system. Pressure, volume, time are collectively obtained by simultaneously recorded Electrocardiography, phonocardiography, non-invasive continuous blood pressure and trans-thoracic bio-impedance.
How are the measurements made on the patients?
The patient is first wired to an “RGC Imaging Machine” using 12 disposable electrodes (4 for ECG and 8 for trans-thoracic bio-impedance) and a special high sensitive narrow bandwidth phono-transducer. The recording is made for 6 minutes at rest in the supine position. A high-speed computer will parallel processing architecture computes the algorithms and prints out the results.
How long does the whole procedure take?
The whole procedure takes about 20 minutes, from start to finish.
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