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Premature pulmonary valve opening in a patient with absent tricuspid valve.
  1. I A D'Cruz,
  2. S N Shah,
  3. R Levinsky,
  4. A Goldbarg

    Abstract

    Echocardiography (M-mode and cross-sectional) disclosed premature opening of the pulmonary valve (very deep "a" wave) in a young man who underwent tricuspid valvulectomy without valve replacement 32 months before for refractory bacterial endocarditis. Cardiac catheterisation showed a prominent atrial wave on the pulmonary artery pressure curve. Thus, part of the right ventricular ejection appeared to occur before the onset of ventricular systole, as a result of powerful right atrial contraction.

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