Conventional cardiac CINE imaging acquires segmented data over multiple heartbeats to satisfy sampling requirements. Recently, cardiac CINE reconstructions from a single heartbeat have been achieved using motion corrected reconstructions. This approach allows single heartbeat CINE and therefore can image the unique dynamics that occur in each heartbeat. Experiments in healthy subjects demonstrate that single heartbeat CINE is feasible and can detect heartbeat to heartbeat variation; the dynamics of individual heartbeats differ and cannot be detected with conventional CINE performed over multiple heartbeats. Single heartbeat CINE shows promise to characterize arrhythmias and other heart conditions where heartrate variability occurs.
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