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Postoperative transthoracic ecocardiogram showing an abnormally high gradient of the mitral prosthesis (maximal 18 mmHg and mean 10 mmHg), with a deceleration time (< 130 ms), possibly correlated with an increased flow across the prothesis (left panel). High pulmonary artery systolic pressure was assessed (51 mmHg) (right panel).
