A patient's central venous pressure reading is 8 mm Hg. The nurse realizes this reading reflects which of the following?
1. The blood pressure within the right atrium
2. The blood pressure within the left atrium
3. The blood pressure within the pulmonary artery
4. The blood pressure within the left ventricle
The blood pressure within the right atrium
Rationale: The central venous pressure reflects the blood pressure of the vena cava and the right atrium. The other choices do not reflect the central venous pressure.
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