Muscular Bridge in Left Anterior Descending (LAD)

Patient History

  • 70 year old
  • Critical aortic stenosis
  • Screening angiography reveals something strange in LAD

Baseline Angiography

Baseline angiography of LAD 

Baseline HD IVUS

Baseline HD IVUS of LAD reveals muscular bridge


  • HD IVUS reveals bridge in the LAD
  • FFR at bridge site: 0.73
  • FFR proximal to lesion: 0.87
  • The lesion is left untreated
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