Jugular venous distention suggests a problem with blood returning to the heart if the patient is sitting up at a 45° angle.
The external jugular vein is what you are looking at if you ever see a bulging neck vein. Jugular vein distention is the medical term for when the jugular vein is apparent.
Along the right and left sides of your neck, there are internal and external jugular veins. They deliver blood from your head to the largest vein in your upper body, the superior vena cava. Blood enters your heart via the vena cava before traveling through your lungs to take in oxygen.
When the CVP rises above a typical or healthy level, JVD happens. There are numerous conditions that might cause this.
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