Noninvasive diagnosis of left ventricular outflow tract obstruction caused by a porcine mitral prosthesis
RS Freedberg,
I Kronzon,
AJ Gindea,
AT Culliford,
and
PA Tunick
A patient developed shortness of breath 8 years after mitral valve replacement with a porcine prosthesis. Doppler echocardiography revealed left ventricular outflow tract obstruction created by a protruding prosthesis.