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Keywords: cardiac shunting
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Journal Articles
J Exp Biol (2019) 222 (6): jeb197426.
Published: 27 March 2019
... between choosing resistance or conductance can be marked. We also explain here how the ratio of conductance in the pulmonary and systemic circulations provides a more intuitive description of cardiac shunt patterns in the reptilian cardiovascular system than the more commonly used ratio of resistance...
Journal Articles
J Exp Biol (2017) 220 (14): 2589–2597.
Published: 15 July 2017
..., there was a postprandial reduction in a net left–right (L–R) shunt in N21 snapping turtles only. Relative to N21 turtles, H10 animals exhibited higher due to increased blood flow through the right systemic outflow vessels of the heart. This effect of hypoxic embryonic development, reducing a net L–R cardiac shunt, may...
Journal Articles
J Exp Biol (2016) 219 (14): 2220–2227.
Published: 15 July 2016
... ) Summary: Non-crocodilian reptiles have an undivided ventricle, but some (pythons, varanid lizards) robustly separate blood flow, whereas others (turtles, anacondas, bearded dragons) show a large capacity for cardiac shunting. Cardiovascular Cardiac shunting Reptile Blood flow Perfused heart...
Journal Articles
J Exp Biol (2002) 205 (21): 3335–3345.
Published: 1 November 2002
... is that the ratio of pulmonary and systemic resistances is the primary determinant of cardiac shunting in turtles. In the present study, we have examined the adrenergic influences on vascular resistances in the pulmonary and systemic circulations and the associated effects on cardiac shunts in turtles. To achieve...
Journal Articles
J Exp Biol (2002) 205 (17): 2715–2723.
Published: 1 September 2002
... very large cardiac shunts. Very little is known about the cardiac shunt patterns in other groups of reptiles. Here we characterise cardiac performance and flow dynamics in the Burmese python ( Python molurus ) using an in situ perfused heart preparation. The pericardium remained intact and the two...