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Cardiac loop ECG recording: a new noninvasive diagnostic test in recurrent syncope
S R Cumbee1, R E Pryor, M Linzer
1Department of Medicine, Duke University, Medical Center, Durham, NC.
Southern Medical Journal
|January 1, 1990
Summary
Continuous cardiac loop ECG recorders help diagnose unexplained syncope. This device captures heart rhythm during fainting spells, proving effective when other cardiac studies fail.
Area of Science:
- Cardiology
- Medical Devices
Background:
- Diagnosing syncope requires identifying arrhythmias as the cause.
- Previous cardiac studies often fail to diagnose the cause of syncope.
Purpose of the Study:
- To evaluate the diagnostic impact of continuous cardiac loop ECG recorders in patients with unexplained syncope.
Main Methods:
- Reviewed records of 48 patients with unexplained syncope or presyncope.
- Utilized continuous cardiac loop ECG recorders for prolonged ambulatory monitoring.
Main Results:
- Previous cardiac studies were non-diagnostic for all patients.
- Loop recording definitively diagnosed arrhythmia as the cause of symptoms in 36% of patients.
- Median monitoring duration was 28 days at an average cost of $180 per month.
Conclusions:
- Cardiac loop ECG recording is a safe, inexpensive, and effective tool for diagnosing unexplained syncope.
- This technology offers prolonged ambulatory monitoring to capture rhythm during syncope events.