Endocardial ablation-resistant ivabradine-sensitive atrial tachycardia suggestive of an epicardial origin in the left atrial appendage
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A 23-year-old woman presented with 200,409 heart beats/day due to an atrial tachycardia (AT) lasting one year and tachycardia-induced cardiomyopathy. None of the antiarrhythmic or rate control drugs terminated the AT or sufficiently reduced the heart rate duri... ...
