Method and apparatus for simulating blood flow under patient-specific boundary conditions derived from an estimated cardiac ejection output
A technology of cardiac ejection and boundary conditions, applied in blood flow measurement devices, blood flow measurement, and instruments for radiological diagnosis, etc., can solve problems such as unclear pressure gradients
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[0026] Now based on the addition of the ascending aorta through the left ventricular (LV) outflow tract (as an example of a blood cavity or cardiovascular structure close to the heart) under patient-specific boundary conditions derived from cardiac ejection output per heartbeat Embodiments are described for the simulation of blood flow in patient-specific geometries that can be derived from (at least) two images of the LV at states of maximum and minimum filling (e.g., end-diastole, end-systole) calculate. The geometry of the LV outflow tract, including the aortic root of the AV, plus ascending aorta and ventricular volumes can be obtained automatically by model-based segmentation.
[0027] figure 1 A schematic block diagram illustrating the generation and use of patient-specific boundary conditions for simulating flow through the aortic valve is shown. figure 1 The blocks can be regarded as hardware circuits adapted to perform the corresponding functions or as steps of the ...
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