Key result
A critical review of Guyton's models suggests that plotting venous return curves with right atrial pressure on the y-axis encourages mistaken ideas about its role as a back pressure.
Design
Review
Authors
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Questions prevailing views on venous return; leaves open revisions to hemodynamic teaching and models.
This review clarifies physiological misconceptions regarding the role of right atrial pressure in determining venous return, emphasizing that it should not be viewed simply as a 'back pressure'.
G. L. Brengelmann (2003) conducted a review in Cardiovascular equilibrium. A critical review of Guyton's models suggests that plotting venous return curves with right atrial pressure on the y-axis encourages mistaken ideas about its role as a back pressure.
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