Article Text

Download PDFPDF

‘Crochetage’ sign on ECG in secundum ASD: clinical significance
  1. Pranab Jyoti Bhattacharyya
  1. Department of Cardiology, Guwahati Medical College, Guwahati, Assam, India
  1. Correspondence to Dr Pranab Jyoti Bhattacharyya, drpranabguwahati{at}

Statistics from


A 50-year-old woman with no cardiovascular risk factors was evaluated for easy fatigability and progressive dyspnoea on exertion for the last 1 year. Cardiac auscultation revealed a normal first heart sound, an ejection systolic murmur at the upper left sternal border and wide and fixed splitting of the second heart sound. The ECG demonstrated sinus rhythm, incomplete right bundle branch block (RBBB) and ‘crochetage’ sign (notch near the apex of the R wave) in inferior limb leads (figure 1). There was evidence of cardiomegaly, dilated main pulmonary artery …

View Full Text

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.