Cardiac Performance, Dr. D. Penney

Thallium Study

Figure 2.11. MUGA-Scan. Images below obtained at end-diastole (left) and at end-systole (right). The greater brightness (more counts) of the image at left indicates greater blood volume than the heart image at right. Ejection fraction is computed from the differences in counts. On the right, the lone bright area at the lower right is the left ventricle, while the bright area just to the left is the right ventricle. The bright patch above the RV are the intertwined pulmonary artery and aorta.

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