Mobitz II

Conduction

Recognition

  • Constant PR, intermittent dropped QRS
  • Often 2:1, 3:1

Key findings

  • Wide QRS (infranodal)

Clinical importance

  • High risk of progression to CHB — pacemaker indicated

Management pearls

  • Atropine often ineffective
  • Transcutaneous pacing → permanent pacemaker
WardRound

WardRound

Clinical Decisions in Seconds