Current and Emerging Uses of Insertable Cardiac Monitors: Evaluation of Syncope and Monitoring for Atrial Fibrillation

Todd T. Tomson, Rod S Passman*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

15 Scopus citations


Insertable cardiac monitors (ICMs) have provided clinicians with a superb tool for assessing infrequent or potentially asymptomatic arrhythmias. ICMs have shown their usefulness in the evaluation of unexplained syncope, providing high diagnostic yields in a cost-effective manner. While unexplained syncope continues to be the most common reason for their use, ICMs are increasingly being used for the monitoring of atrial fibrillation (AF). Recent trials have demonstrated that a substantial proportion of patients with cryptogenic stroke have AF detected only by the prolonged monitoring provided by ICMs. A particularly promising and emerging use for ICMs is in the management of anticoagulation in patients with known paroxysmal AF. The introduction in recent years of ICMs with automatic AF detection algorithms and continuous remote monitoring in combination with novel oral anticoagulants have opened the door for targeted anticoagulation guided by remote monitoring, a strategy that has recently shown promise in pilot studies of this technique. While further research is needed before official recommendations can be given, this use of ICMs opens exciting new possibilities for personalized medicine that could potentially reduce bleeding risk and improve quality of life in patients with atrial fibrillation.

Original languageEnglish (US)
Pages (from-to)22-29
Number of pages8
JournalCardiology in review
Issue number1
StatePublished - Jan 1 2017


  • arrhythmia
  • atrial fibrillation
  • implantable loop recorder
  • insertable cardiac monitor
  • loop recorder
  • syncope

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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