Techniques for MR Myocardial Perfusion Imaging

Outside the field of magnetic resonance imaging (MRI), most techniques for myocardial perfusion imaging rely on the direct detection of injected tracers. Examples are tracers that emit γ-rays for single photon emission tomography or tracers that scatter ultrasound waves, such as injected gas-filled bubbles. With MRI, blood-borne contrast agents can be used to assess myocardial perfusion. The presence of the contrast agent in tissue is detected through the effects of the contrast agent on the signal from 1H nuclei.

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