“Frog Sign” in Atrioventricular Nodal Reentrant Tachycardia
Fernando M. Contreras‐Valdes, Mark E. Josephson
Abstract
Fernando M. Contreras‐Valdes, Mark E. Josephson
Abstract
An 83-year-old man was evaluated for frequent palpitations. During an episode, examination of the neck revealed rapid and regular pulsations with bulging of the internal jugular veins, shown in a video. A 12-lead electrocardiogram showed a regular, narrow-complex tachycardia.
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An 83-year-old man was evaluated for frequent palpitations. During an episode, examination of the neck revealed rapid and regular pulsations with bulging of the internal jugular veins, shown in a video. A 12-lead electrocardiogram showed a regular, narrow-complex tachycardia.
Key concepts: Palpitations, Medicine, Tachycardia, NODAL, Sign (mathematics), Cardiology, Electrophysiologic study, Internal medicine