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Figure 1 | BMC Cardiovascular Disorders

Figure 1

From: Premature ventricular contractions originating from the left ventricular septum: Results of Radiofrequency Catheter Ablation in twenty patients

Figure 1

Endocardial recordings of successful ablation target site originating from left anterosuperior septum. The left panel shows that the local ventricular activation time recorded at the ablation site that preceded the onset of the QRS complex was 33 ms and Purkinje potentials were not present at the site of successful ablation. The middle panel shows that pace map at the ablation site provides an identical (12/12) match with the clinical PVC morphology. The right panel shows double potential in front of PVC or VT during ablation ABL, ablation catheter.

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