Experimental Radionuclide Ventriculography and the Baboon (Papio ursinus) Model: Imaging Projection of the Heart and Blood Pool Labelling

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Abstract
The chacma baboon (Papio ursinus ) presents a suitable animal model for the evaluation of interpretation problems of data from radionuclide ventriculography. However, the procedure has to be standardized: it is important to so view the heart as to ensure optimal ventricular separation and minimal ventricle‐atrium overlap. Also necessary is efficient labelling of the blood pool for good cardiac images and prolonged experimentation. This report concerns an evaluation of different cardiac viewing projections and labelling procedures, and concludes with a preferred method.