Right Atrial Pressure $(\mathrm{mm} \mathrm{Hg})$ -The $\mathrm{x}$ -Axis in the Figure Could Have Been Labeled
A) End-Systolic

Right atrial pressure $(\mathrm{mm} \mathrm{Hg})$
-The $\mathrm{x}$ -axis in the figure could have been labeled

A) end-systolic volume
B) end-diastolic volume
C) pulse pressure
D) mean systemic pressure
E) heart rate