Evaluation of forward stroke volume in first-pass radionuclide cardiography.
1988
Abstract First-pass radionuclide cardiography and Zierler's area-over-height formula have been applied for determination of stroke volume. The method has three new features: (a) the region of interest comprises the entire cardiopulmonary circulation; (b) a prediction of (normal) blood volume based on deviation from desired weight; and (c) a correction of stroke volume in case of incomplete bolus injection. The method was verified in a pathological situation by an independent geometric method in equilibrium gated radionuclide cardiography. The variation of stroke volume was investigated in a normal group of 61 women, 40–80 years old. The result was in excellent agreement with values for normal variation of stroke volume in the literature.
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