Key result
External loop recorders improve diagnostic yield for symptom-rhythm correlation vs standard Holters in infrequent arrhythmias.
Why the study?
Standard 24-48 hour Holter monitoring is often ineffective for detecting infrequent intermittent arrhythmias in patients with syncope and palpitations, prompting long-term ambulatory ECG development.
Design
Review
Authors
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Supports external loop recorders for infrequent arrhythmias; leaves open need for RCTs before practice change.
External loop recorders offer enhanced diagnostic utility for capturing infrequent arrhythmic events compared to traditional short-term Holter monitoring.
Rajanna et al. (2021) conducted a review in Arrhythmia, syncope, palpitations, atrial fibrillation. External cardiac loop recorders (ELRs) vs. 24 to 48 hour Holter ECG monitoring was evaluated on Diagnostic yield and symptom-rhythm correlation. External cardiac loop recorders enhance the diagnostic yield for capturing symptom-rhythm correlation in patients with infrequent arrhythmic conditions compared to standard 24-48 hour Holter monitoring.
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