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Yeungnam Univ J Med > Volume 6(2); 1989 > Article
Yeungnam University Journal of Medicine 1989;6(2):241-245.
DOI: https://doi.org/10.12701/yujm.1989.6.2.241    Published online December 31, 1989.
A Case of Bradycardia-Dependent Complete Atrioventricular(A-V) Block.
Jae Yik Lee, Young Jo Kim, Bong Sup Shim, Hyun Woo Lee
Abstract
Induction of A-V block by tachycardia is a well-known phenomenon. But there are few case reports of bradycardia-dependent A-V block. We report a case of bradycardia-dependent A-V block with review of literatures. This patient was a 52-year-old female who complained of dizziness and anterior chest discomfort. Electrocardiographic recording demonstrated complete A-V block. Monitor electrocardiographic recordings during sitting position and after atropine administration demonstrated decrease of degree of block from complete A-V block to first degree A-V block. The occurrence of complete A-V block from bradycardia during supine position suggests a phase 4-dependent block. After a permanent ventricular pacemaker was implanted, the patient recovered and was without symptoms during 12 months follow up.
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