Jugular Vein

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Jugular Vein


General

  • patient at 45º
  • hepatojugular reflex

Pressure

  • reflects right atrial pressure
  • normal 3 cm above sternal angle
  • decreased
    • inspiration
  • increased
    • right heart failure
    • pericardial constriction / tamponade

Waveform

  • Normal
    • y - valve opening
    • v - ventricular systole
    • x - valve ring contraction
    • c - valve closure
    • a - atrial systole
  • Abnormal
    • giant V
      • tricuspid regurgitation
    • cannon a
      • atrioventricular block
    • x and y descents raised
      • constrictive pericarditis
 

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