preferred_name: Orifice area minimum &#x7C; Mitral valve &#x7C; Cardiac ultrasound
preferred_name_lc: orifice area minimum &#x7c; mitral valve &#x7c; cardiac ultrasound
label: Orifice area minimum &#x7C; Mitral valve &#x7C; Cardiac ultrasound
label_lc: orifice area minimum &#x7c; mitral valve &#x7c; cardiac ultrasound