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下壁呈R型,V1呈qrS型的室性期前收缩消融1例

Journal of Electrocardiology and Circulation(2018)

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Abstract
本文报道1例下壁呈R型,V1呈qrS型的室性期前收缩(PVCs)的标测与消融过程.患者女性,68岁.因反复心悸、胸闷4年,加重半月,多次心电图检查示频发PVCs,24h动态心电图示PVCs 28 762次.服用倍他乐克、普罗帕酮等药物治疗无效入院.入院时心电图可见频发PVCs,结果在左右冠窦交界处、右冠窦、无冠窦标测与试消融无效,最后在右侧希氏束附近标测到“最早”心室电位领先体表心电图QRS波群33ms,并在此处单点消融成功,提示V1呈qrS型,下壁呈R型的PVCs并非均起源于左右冠窦交界处.
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