A 79-year-old woman presented with recurrent pulmonary edema.Extensive testing spanning 5 admissions showed only mild mitral regurgitation (MR).A transthoracic echocardiogram with the patient in click here the supine position and passive leg raise showed severe MR.This suggested transient severe MR.She underwent mitral valve dea eyewear replacement and had an uneventful postoperative course without recurrence of symptoms.
(Level of Difficulty: Intermediate.).