Amiodarone and Echos
This forum is for questions and support regarding heart issues such as: Angina, Angioplasty, Arrhythmia, Bypass Surgery, Cardiomyopathy, Coronary Artery Disease, Defibrillator, Heart Attack, Heart Disease, High Blood Pressure, Mitral Valve, Pacemaker, PAD, Stenosis, Stress Tests

The best explanation is that the pulmonary hypertension has lessened, perhaps because the mitral valve is now performing better.
Another possibility is that this TEE missed the findings, which sometimes happens.
Best of luck.