Atrial septal defect

Background

Clinical Features

Differential Diagnosis

Diagnosis

Crochetage pattern on ECG for atrial septal defect
  • An ECG may show the “crochetage” pattern—a notch near the apex of the R wave in electrocardiographic (ECG) inferior limb leads[1]

Management

Disposition

See Also

External Links

References

  1. ↑ Heller, J et al. “Crochetage” (Notch) on R wave in inferior limb leads: A new independent electrocardiographic sign of atrial septal defect. J Am Coll Cardiol. 1996;27(4):877-882 full text]
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