title: Impending cardiac arrest due to mitral-valve stenosis and left atrial "ball-valve" thrombus.
authors.affiliation: Emergency Department, Taipei Veterans General Hospital, Taiwan.
authors.forename: Ju-Sing
authors.initials: JS
authors.lastname: Fan
authors.forename: Chorng-Kuang
authors.initials: CK
authors.lastname: How
authors.forename: Chii-Hwa
authors.initials: CH
authors.lastname: Chern
authors.forename: Jen-Dar
authors.initials: JD
authors.lastname: Chen
mesh_terms: D005260:Female; D006323:Heart Arrest / Q000209:etiology*; D006325:Heart Atria / Q000000981:diagnostic imaging; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000150:complications / Q000175:diagnosis*; D011859:Radiography; D013927:Thrombosis / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging