Regional Myocardial Perfusion: Studies with 133Xenon and a Multiple-Crystal Scintillation Camera
Because it is impossible to measure the balance between coronary blood flow and the metabolic needs of the myocardium for oxygen by exclusively radiographic means, investigators in this laboratory developed a technique to make quantitative estimates of capillary blood flow in multiple areas of the human myocardium using 133xenon and a multiple-crystal scintillation camera (1–3). The purpose of this report is to present preliminary results of studies of 175 patients who were studied at Columbia University. The regional myocardial perfusion rates obtained with the method were correlated with radiographic assessments of the degree and the extent of the coronary disease in each patient.
KeywordsMyocardial Blood Flow Blood Flow Rate Coronary Lesion Myocardial Oxygen Consumption Atrial Pace
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