Jugular venous pressure
Jugular Venous Pressure (JVP)
Jugular venous pressure (JVP) is a term that refers to the indirectly observed pressure over the venous system. It can be useful in the differentiation of different forms of heart and lung disease.
Pronunciation
Jugular: /ˈdʒʌɡjʊlər/ Venous: /ˈviːnəs/ Pressure: /ˈprɛʃər/
Etymology
The term "jugular" originates from the Latin word "jugulum" which means throat. The term "venous" is derived from the Latin word "vena", meaning vein. "Pressure" comes from the Latin "pressura", referring to pressing tight.
Clinical Relevance
Jugular venous pressure is a vital sign that can be assessed in a physical examination. It is relevant to diagnosing and monitoring cardiac conditions such as congestive heart failure and cardiomyopathy.
Measurement
Jugular venous pressure is traditionally assessed with the patient at a 45-degree angle. The internal jugular vein is observed, and the vertical distance between the angle of Louis and the point of maximal pulsation is measured.
Related Terms
- Central venous pressure: The pressure of blood in the thoracic vena cava, near the right atrium of the heart.
- Venous return: The rate of blood flow back to the heart.
- Heart failure: A condition in which the heart can't pump enough blood to meet the body's needs.
- Cardiomyopathy: A disease of the heart muscle that makes it harder for the heart to pump blood to the rest of the body.
External links
- Medical encyclopedia article on Jugular venous pressure
- Wikipedia's article - Jugular venous pressure
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