The mechanisms of supraventricular tachycardia in children.
作者： P C Gillette
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摘要: The mechanisms of supraventricular tachycardia were investigated in 35 children. Intracardiac electrograms including His bundle potentials recorded. Atrial pacing and single premature atrial stimuli performed the right atrium. Tachycardia was observed mechanism elucidated 33 patients. activation sequence during tachycardia, high atrium, low lateral septal left together with ability to initiate or terminate stimuli, keys defining mechanisms. included atrioventricular (A-V) node reentry (8), sino re-entry (5), through manifest concealed anomalous pathway A-V bypasses (3), (7) junctional (2) ectopic focuses. frequency various SVT is more varied children than adults, being common
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