Cardiac magnetic resonance real-time film imaging method and system
A magnetic resonance and heart technology, applied in the field of medical information, can solve the problems of cumbersome and time-consuming imaging methods and poor clinical application prospects, and achieve the effects of good clinical application prospects, prolonging imaging acquisition time, and simplifying the data processing process
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Embodiment 1
[0025] figure 1 The implementation flow of the cardiac magnetic resonance real-time cine imaging method provided by Embodiment 1 of the present invention is shown, and the details are as follows:
[0026] In step S101, the respiratory movement of the subject is monitored.
[0027] In this embodiment, the respiratory movement of the subject is monitored through the navigation bar of the respiratory navigation device, wherein the navigation bar is placed at an appropriate position on the subject's diaphragm, such as figure 2 As shown in Fig. 1, the movement of the diaphragm is monitored using the signal profile corresponding to the navigation bar. When the subject's breathing enters the end-expiration moment, the diaphragm will move to the highest position. The acceptable window width can be set in advance, and when the diaphragm is within the acceptable window width range, it is considered that the subject's breathing is in the end-expiration period, such as image 3 As show...
Embodiment 2
[0034] Figure 5 A specific structural block diagram of the cardiac magnetic resonance real-time cine imaging system provided by Embodiment 2 of the present invention is shown. For convenience of description, only parts related to the embodiment of the present invention are shown. In this embodiment, the cardiac magnetic resonance real-time cine imaging system 5 includes: a breathing navigation device 51 and an electrocardiographic triggering device 52 .
[0035] Specifically, the breathing navigation device 51 includes: a breathing monitoring unit 511 and an exhalation judging unit 512 .
[0036] Wherein, the breathing monitoring unit 511 monitors the breathing movement of the subject;
[0037] The exhalation judging unit 512 is configured to judge whether the breathing movement enters the end-tidal period.
[0038] The electrocardiographic triggering device 52 is used to fix each cardiac imaging level one by one if the respiratory movement enters the end-expiration period,...
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