preferred_name: Study observation &#x7C; Heart chambers &#x7C; Cardiac ultrasound
preferred_name_lc: study observation &#x7c; heart chambers &#x7c; cardiac ultrasound
label: Study observation &#x7C; Heart chambers &#x7C; Cardiac ultrasound
label_lc: study observation &#x7c; heart chambers &#x7c; cardiac ultrasound