A Client with Acute Pulmonary Edema Secondary to Congestive Heart

A client with acute pulmonary edema secondary to congestive heart failure has continuous monitoring of ventral venous pressure (CVP) . Which of the following conditions indicates that the client's treatment regimen is effective?

A) Central venous pressure increases
B) Central venous pressure decreases
C) There is no change in the central venous pressure
D) Central venous pressure is not a useful indicator for this client