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  • PERMANENT PACEMAKER
  • To illustrate this phenomenon we describe a case of 2 : 1 AV block associated with unstable angina, in which revascularization resulted in immediate and durable restoration of 1 : 1 AV conduction, thereby obviating the need for permanent pacemaker implantation. (hindawi.com)
  • Due to the limited understanding of AV block reversibility following revascularization in non-acute MI presentations, it remains difficult to reliably predict which patients presenting with high-grade AV block in the absence of MI may have the potential to avoid permanent pacemaker implantation via coronary revascularization. (hindawi.com)
  • Common causes of reversible AV block were excluded, and the patient was admitted in anticipation of permanent pacemaker implantation. (hindawi.com)
  • Diagnostic electrophysiologic testing can help determine the level of the block and the potential need for a permanent pacemaker. (medscape.com)
  • prolongation
  • Gradually progressive PR interval prolongation occurs before the blocked sinus impulse, with the greatest PR increment typically occurring between the first and second beats of a cycle, gradually decreasing in subsequent beats. (medscape.com)
  • In first-degree AV block, the P waves always precede the QRS complexes, but there is a prolongation of the PR interval. (statpearls.com)
  • right ventricle
  • The patient was placed on continuous cardiorespiratory monitoring, and complete AV-block treated with temporary VVI pacing in the right ventricle (RV) via a transfemorally inserted pacing catheter. (scmr.org)
  • Atria
  • AV block represents a delay or disturbance in the transmission of an impulse from the atria to the ventricles. (statpearls.com)
  • symptomatic
  • Herein, we present a literature review prompted by a case of unexpected postrevascularization reversal of symptomatic AV block. (hindawi.com)
  • versus
  • Whether the dose required to achieve AV block versus any physiologic effect (e.g., hypotension) is relevant when evaluating for PV reconnection is unclear. (springer.com)
  • The presence of some physiologic effect (e.g., sinus tachycardia or hypotension) versus AV block was recorded as was PV reconnection. (springer.com)