The cardiac output and venous return curves of a healthy person are shown below with solid lines. Which of the following is the most likely cause of the change depicted by the dashed lines?

Question

The cardiac output and venous return curves of a healthy person are shown below with solid lines.  Which of the following is the most likely cause of the change depicted by the dashed lines?

Quizplus · Accepted Answer

Eductional Objective: Due to the loss of function of a zone of the myocardium, myocardial infarction produces a significant reduction in cardiac output. Myocardial infarction would reduce the slope and maximum height of the line on a heart function curve.

The Cardiac Output and Venous Return Curves of a Healthy