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MEASUREMENTS OF COMMON ILIAC ARTERIAL BLOOD FLOW IN ANURANS USING DOPPLER ULTRASOUND

by Scott Willens, Sloan H. Dupree, Michael K. Stoskopf, Gregory A. Lewbart
Journal of Zoo and Wildlife Medicine ()

Abstract

Color Doppler ultrasonography was used to determine time-average mean velocity and cross-sectional area of the common iliac artery in bullfrogs (Rana catesbeiana) and marine toads (Bufo marinus). Volumetric blood flow and weight-adjusted blood flow measurements were calculated from this data. Volumetric flow rates of frogs (31.8 ml/min) and toads (23.6 ml/min) did not differ statistically. However, when flow rates were adjusted for body mass, toads displayed a significantly greater flow rate of 238.1 ml/min/kg compared to 114.4 ml/min/kg for frogs.

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