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Paradoxical low-flow low-gradient aortic stenosis: advanced severe disease, a new entity or a progression of disease?
  1. Calvin Chin
  1. Correspondence to Dr Calvin Chin, National Heart Center Singapore, 5 Hospital Drive, Singapore 169609, Singapore; cchin03m{at}

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To the Editor,

I read the article by Dahl et al with great interest.1 The authors have suggested that paradoxical low-flow low-gradient aortic stenosis is a distinct entity, and not an advanced stage of severe aortic stenosis. Indeed, they have observed that only 5% of these patients had high-gradient severe disease prior to the index assessment.1 This was perhaps not …

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  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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