title: 'Crochetage' sign on ECG in secundum ASD: clinical significance.
authors.affiliation: Department of Cardiology, Guwahati Medical College, Guwahati, Assam, India.
authors.forename: Pranab Jyoti
authors.initials: PJ
authors.lastname: Bhattacharyya
mesh_terms: D004562:Electrocardiography; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged; D010808:Physical Examination