A family member of a critically ill patient is verbalizing the purpose of hemodynamic monitoring. Which of the following statements indicates that the family member needs more education?
1. "The hemodynamic monitor can measure how much blood is in the arteries and veins.".
2. "The hemodynamic monitor can measure how much oxygen is left in the blood after it circulates through the body.".
3. "The hemodynamic monitor can measure how much pressure is in the heart.".
4. "The hemodynamic monitor can measure how much blood comes out of the heart each minute.".
"The hemodynamic monitor can measure how much blood is in the arteries and veins.".
Rationale: The family member of the critically ill patient would need further teaching if he or she thought the hemodynamic monitor could measure the volume of blood in the vascular system. The pressure monitoring can see trends in pressure, which may indirectly be related to volume or to decreased vascular resistance. The nurse and physician would need to interpret this data to determine the cause of the change. The other answer choices are true and indicate that the family member has a good understanding of hemodynamic monitoring.
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