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Fig. 1 | Journal of Medical Case Reports

Fig. 1

From: Pseudoaneurysm of thoracic aorta presenting as inappropriate sinus tachycardia: a case report

Fig. 1

Sinoatrial node is a long structure with slower more caudal portion of the node producing a flat or inverted p-wave in the inferior leads and faster more cranial portion of the node producing more upright p-waves. a Baseline electroanatomic map of sinus node map pre-isoproterenol at a baseline rate around 110 beats per minute. b Map following ablation: note that ablation was delivered at a more cranial portion of the sinus node

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