Electrocardiogram gating is commonly used in clinical cardiac MRI. However, it takes time to attach ECG electrodes and gating signals can be easily affected. In this abstract, the 2D-PACE technique is optimized for blood flow monitoring to explore its potential as an alternative to ECG gating. A new protocol triggered by 2D-PACE for T1W cardiac morphology was also proposed. Our results showed that the optimized 2D-PACE was robust for blood flow peak detection. And combining with our new protocol, it provided comparable image quality to those from ECG gated conventional protocol, which showed a great potential for cardiac triggering.
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