THE ULTRALOW-FREQUENCY BALLISTOCARDIOGRAM IN ATRIAL SEPTAL DEFECT. A SEMIQUANTITATIVE APPROACH BASED ON THE ANALYSIS OF THE VELOCITY CURVE.
D001450:Ballistocardiography; D006325:Heart Atria; D006343:Heart Septal Defects; D006344:Heart Septal Defects, Atrial; D006801:Humans
BALLISTOCARDIOGRAPHY; HEART SEPTAL DEFECTS, ATRIAL