Your cardiac patient presents with JVD while sitting up. This could suggest?

• A. Left heart failure
• B. Right heart failure
• C. Simple pneumothorax
• D. Systemic hypertension

Answer: (B)

Jugular venous distension reflects elevated central venous pressure. When you’re sitting upright, gravity normally reduces venous pressure, so visible neck vein distension indicates a substantial rise in right-sided filling pressures. That pattern happens most commonly when the right side of the heart isn’t pumping effectively, causing blood to back up into the systemic venous circulation—that is, right-sided heart failure.

Left heart failure tends to present with pulmonary signs like shortness of breath and crackles rather than prominent JVD as the primary clue. A simple pneumothorax generally does not cause persistent JVD unless there is a tension component that impairs venous return. Systemic hypertension doesn’t raise venous pressure in the same way, so it wouldn’t produce this finding.

So, seeing JVD while seated points to elevated right-sided filling pressures from right heart failure, indicating systemic venous congestion.