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Transient atrial fibrillation precipitated by hypoglycemia
1Department of Internal Medicine B, Bnai Zion Medical Center, Haifa, Israel.
Annals of Emergency Medicine
|May 1, 1990
Summary
Hypoglycemia can trigger atrial fibrillation in diabetic patients, even those not dependent on insulin. This irregular heart rhythm resolved with dextrose treatment, suggesting a link between low blood sugar and cardiac events in diabetes management.
Area of Science:
- Cardiology
- Endocrinology
- Metabolic Disorders
Background:
- Atrial fibrillation (AF) is a common arrhythmia.
- Hypoglycemia is a known complication of diabetes management.
- Previous reports linked hypoglycemia-induced AF to insulin-dependent diabetes mellitus.
Observation:
- Two cases of noninsulin-dependent diabetic patients experiencing transient atrial fibrillation were observed.
- The atrial fibrillation episodes were directly linked to documented hypoglycemia.
Findings:
- Hypoglycemia precipitated transient atrial fibrillation in two noninsulin-dependent diabetic patients.
- Intravenous dextrose administration successfully reverted atrial fibrillation to normal sinus rhythm in both cases.
Implications:
- This suggests hypoglycemia is a potential trigger for atrial fibrillation in a broader diabetic population.
- Clinicians should consider blood glucose monitoring in diabetic patients presenting with new-onset atrial fibrillation.
- Further research is warranted to elucidate the mechanisms linking hypoglycemia and atrial fibrillation in diabetes.