Cardiac diagnostics using wall motion and perfusion cardiac MRI imaging and systems for cardiac diagnostics

摘要

Cardiac information of a patient is displayed by obtaining a plurality of MRI cine loops of the heart of the patient at a plurality of heart rates, the plurality of cine loops including both wall motion cine loops and at least one perfusion cine loops and simultaneously displaying both the wall motion cine loops and the at least one perfusion cine loop.

主权项

1. A system for providing cardiac diagnostic data to a clinician during a patient stress test, comprising:
(a) a circuit in communication with a Magnetic Resonance (MR) System configured to:
(i) generate a plurality of temporally synchronized wall motion cine loops of MRI cardiac images of a patient at different heart beat rates during the cardiac stress test including: (a) a first baseline wall motion cine loop, (b) a second wall motion cine loop obtained after administration of an agent, and (c) a third recovery wall motion cine loop obtained after the first and second cine loops;(ii) generate at least one MRI perfusion cine loop of MRI perfusion cardiac images of the patient, wherein a frame rate of the at least one MRI perfusion cine loop is substantially the same as a frame rate of the wall motion cine loops, and wherein the wall motion cine loops and the at least one perfusion cine loop are co-registered so that images of respective cine loops correspond to a substantially common cardiac location of the patient to allow a user to compare images and identify differences between the first baseline wall motion cine loop, the second wall motion cine loop, and the perfusion cine loop such that similarly situated frames within the cine loops can be directly compared to each other; and(iii) accept user input to select a dose based set of the cine loops or a location based set of the cine loops to be displayed; and (b) a display in communication with the circuit for concurrently displaying the selected wall motion cine loops and the at least one MRI perfusion cine loop of the patient during a cardiac stress test while a patient is undergoing the cardiac stress test in an MR System.