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JVP elevation can be visualized as jugular venous distension, whereby the JVP is visualized at a level of the neck that is higher than normal. The jugular venous pressure is often used to assess the central venous pressure in the absence of invasive measurements (e.g. with a central venous catheter , which is a tube inserted in the neck veins).
The JVP can be raised in a number of conditions: [4] right ventricular failure (heart failure), tricuspid stenosis; tricuspid regurgitation; cardiac tamponade; The JVP can also be artificially raised by applying pressure to the liver (the hepatojugular reflux). This method is used to locate the JVP and distinguish it from the carotid pulse.
Kussmaul's sign is a paradoxical rise in jugular venous pressure (JVP) on inspiration, or a failure in the appropriate fall of the JVP with inspiration. It can be seen in some forms of heart disease and is usually indicative of limited right ventricular filling due to right heart dysfunction.
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A positive result is variously defined as either a sustained rise in the JVP of at least 3 cm or more [4] or a fall of 4 cm or more [2] after the examiner releases pressure. The AJR has a reported sensitivity of 24% [5] to 72% [2] and a specificity of 93% to 96%. The large discrepancy in sensitivity may be explained by the higher value being ...
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