Pre-transplant evaluation, Heart transplant, Transthoracic echocardiogram, Transesophageal echocardiogram, Post-transpl...ant long-term care, Mechanical circulatory support device implantation, Heart transplant complication, Cardiogenic shock, Heart failure, Amyloidosis, Sarcoidosis, Myocarditis, Cardiac sarcoidosis, Cardiomyopathy, Cardiac amyloidosis, Hypertrophic cardiomyopathy, Congenital heart defects in adults