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Notes from Josephson: Indicators of High Risk AV Block

November 23, 2014

Scraps of paper from years ago. EP is probably under-utilised in the diagnosis of syncope.

This was entitled, ‘Indicators of High Risk AV Block’

  • HV > 80 ms with symptoms
  • HV > 100 ms with/without symptoms
  • alternating BBB with ∆HV
  • block below the His with incremental atrial pacing CL > 400 ms
  • exaggerated ↑HV with procainamide, flecainide etc.

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