Rock the CAMRT Radiography Exam 2025 – Snap Your Future into Focus!

Question: 1 / 1100

What is the primary function of a central venous pressure (CVP) line?

To measure blood pressure

To administer large volumes of medication

To measure central venous pressure and allow fluid instillation

The primary function of a central venous pressure (CVP) line is to measure central venous pressure and allow fluid instillation. This line is inserted into a large vein and sits close to the heart, typically the superior vena cava. By measuring the pressure within the central venous system, healthcare providers can assess the status of a patient's circulatory volume, heart function, and overall fluid balance.

The ability to instill fluids through the CVP line is crucial in critical care settings where rapid volume resuscitation may be necessary for patients in shock or with significant fluid deficits. This dual capacity for measurement and administration makes CVP lines valuable for monitoring and managing critically ill patients or those needing long-term intravenous therapy. Thus, this function directly ties into the assessment of cardiac preload and overall hemodynamics, which is essential for effective patient management.

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To monitor heart rate variability

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