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Myocardial perfusion imaging or scanning (also referred to as MPI or MPS) is a nuclear medicine procedure that illustrates the function of the heart muscle (). [1]It evaluates many heart conditions, such as coronary artery disease (CAD), [2] hypertrophic cardiomyopathy and heart wall motion abnormalities.
Gated SPECT is a nuclear medicine imaging technique, typically for the heart in myocardial perfusion imagery. [1] An electrocardiogram (ECG) guides the image acquisition, and the resulting set of single-photon emission computed tomography (SPECT) images shows the heart as it contracts over the interval from one R wave to the next.
SPECT provides information about blood flow to the heart and how well the heart is functioning. It is commonly used to evaluate patients who have, or are suspected to have, coronary artery disease and is additionally used for myocardial perfusion imaging. [23]
Myocardial perfusion imaging (MPI) is a form of functional cardiac imaging, used for the diagnosis of ischemic heart disease. The underlying principle is that under conditions of stress, diseased myocardium receives less blood flow than normal myocardium. MPI is one of several types of cardiac stress test.
CMR perfusion is increasingly used in cardiac imaging to test for inducible myocardial ischaemia and has been well validated against other imaging modalities such as invasive angiography [2] [3] or FFR. Several recent large-scale studies have shown non-inferiority or superiority to SPECT imaging. It is becoming increasingly established as a ...
T1-weighted sequences are used to visualize anatomy and detect the presence of intra-myocardial fat. T1 mapping has also been developed to quantify diffuse myocardial fibrosis. [20] T2-weighted imaging is mainly used to detect myocardial edema which may develop in acute myocarditis or infarction.
Single-photon emission computed tomography (SPECT), which creates 3-dimensional images of the target organ or organ system. Scintigraphy, creating 2-dimensional images. Uses of NM perfusion scanning include Ventilation/perfusion scans of lungs, myocardial perfusion imaging of the heart, and functional brain imaging.
Myocardial perfusion imaging (MPI) is a form of functional cardiac imaging, used for the diagnosis of ischemic heart disease. The underlying principle is, under conditions of stress, diseased myocardium receives less blood flow than normal myocardium. MPI is one of several types of cardiac stress test.
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262 Neil Avenue # 430, Columbus, Ohio · Directions · (614) 221-7464