Which of the following normally causes the cardiac output curve to shift to the right along the right atrial pressure axis?
A)Changing intrapleural pressure to -6 mm Hg
B)Increasing mean systemic filling pressure
C)Taking a patient off a mechanical ventilator and allowing normal respiration
D)Surgically opening the chest
E)Breathing against a negative pressure

Question

Quizplus · Accepted Answer

Surgically opening the chest increases intrapleural pressure, which shifts the cardiac output curve to the right along the right atrial pressure axis.

Which of the Following Normally Causes the Cardiac Output Curve