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Simultaneous left and right heart catheterization. (A) Simultaneous pulmonary capillary wedge (red) and right atrial (green) tracings demonstrating the equalization of diastolic pressures and the rapid y descent. (B) Simultaneous left and right heart catheterization pressure tracings demonstrating equalization of diastolic pressures and the classic dip and plateau. The red tracing is the left ventricle and the green tracing is the right ventricle.
