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. Author manuscript; available in PMC: 2014 Nov 18.
Published in final edited form as: J Am Coll Cardiol. 2010 Mar 9;55(10):1041–1047. doi: 10.1016/j.jacc.2010.01.016

Figure 4.

Figure 4

PR Fraction and Exercise Parameters

Pulmonary regurgitation (PR) fraction versus percent predicted values of (A) peak oxygen consumption (Vo2) and (B) peak work. Subnormal ranges for exercise parameters, as defined in the text, are shaded.