Key result
Decreased atrial muscle potassium content and hyperthyroidism both lead to accelerated atrial repolarization, which highly favors the occurrence of atrial fibrillation.
Population
Patients prone to atrial fibrillation, including those with and without hyperthyroidism
Design
Other
Authors
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Low atrial K may accelerate repolarization and favor AF in euthyroid patients; leaves open causal role and preventive strategies.
Decreased atrial muscle potassium content may drive accelerated atrial repolarization and subsequent atrial fibrillation in euthyroid patients.
S. Bertil Olsson (1981) conducted a review in Atrial fibrillation. Decreased atrial muscle potassium content and hyperthyroidism was evaluated on Accelerated atrial muscle repolarization and atrial fibrillation. Decreased atrial muscle potassium content and hyperthyroidism both lead to accelerated atrial repolarization, which highly favors the occurrence of atrial fibrillation.
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