title: Nonprolapsing left atrial tumor. The M-mode echocardiographic diagnosis.
abstract: We report the echocardiographic features of a patient with a nonprolapsing left atrial tumor. By using proper gain or reject, left atrial echoes due to tumor can be differentiated from recording artifact produced by improper technique.
mesh_terms: D000368:Aged; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria; D006338:Heart Neoplasms / Q000175:diagnosis*; D006801:Humans