Central venous pressure

Central Venous Pressure

Diagram illustrating the measurement of central venous pressure.

Central venous pressure (CVP) is the pressure within the central venous system, which includes the superior vena cava and the right atrium of the heart. It is an important clinical parameter that provides valuable information about the fluid status and hemodynamic stability of a patient.

Measurement

CVP is typically measured using a central venous catheter, which is inserted into a large vein, such as the internal jugular vein or the subclavian vein. The catheter is connected to a pressure transducer, which provides real-time monitoring of the pressure within the central venous system.

Normal Range

The normal range of CVP is typically between 2 and 8 mmHg (millimeters of mercury). However, it is important to note that the normal range can vary depending on factors such as age, body position, and underlying medical conditions.

Clinical Significance

CVP is used as an indicator of fluid volume status and cardiac function. An elevated CVP may indicate fluid overload, heart failure, or obstruction in the venous system. On the other hand, a low CVP may suggest hypovolemia or dehydration.

Clinical Applications

CVP monitoring is commonly used in various clinical settings, including intensive care units (ICUs), operating rooms, and emergency departments. It helps healthcare professionals in making decisions regarding fluid management, vasopressor therapy, and assessing the response to treatment.

Categories

Central venous pressure falls under the following categories:

• Cardiology
• Hemodynamics
• Critical Care Medicine
• Vascular Access

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