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Holter monitoring in patients with transient focal cerebral ischemia
Insights
Continuous ECG monitoring is valuable for generalized neurological symptoms, but less so for transient focal deficits. This study suggests cardiac dysrhythmias rarely cause focal neurological symptoms.
Area of Science:
- Neurology
- Cardiology
Background:
- Continuous electrocardiogram (ECG) monitoring is established for generalized neurological symptoms.
- Its utility in transient focal neurological deficits remains less clear.
Observation:
- A case report details a patient with significant cardiac dysrhythmias and transient focal cerebral symptoms.
- Symptoms persisted despite cardiac pacing.
- Nineteen additional patients with transient focal cerebral symptoms showed no significant dysrhythmias during monitoring.
Findings:
- Cardiac dysrhythmias are an uncommon cause of transient focal neurological deficits.
- The study found no cerebrally significant dysrhythmias in patients evaluated for these symptoms.
Implications:
- This suggests that focusing on cardiac causes for transient focal neurological deficits may be less fruitful.
- Further research may explore other etiological factors for these neurological events.
Abstract:
The value of continuous long-term ECG monitoring in patients with transient generalized neurological symptoms is well established, but its value in transient focal neurological deficits is less clear. A patient is reported who had significant dysrhythmias and transient focal cerebral symptoms which did not clear after cardiac pacing. Nineteen other patients were monitored as part of their evaluation for transient focal cerebral symptoms and were found to have essentially no cerebrally significant dysrhythmias. This report suggests cardiac dysrhythmias rarely cause such symptoms.