Miki Yokokawa, MD, Fred Morady, MD, FACC, Frank Bogun, MD, FACC

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Injection of cold saline for diagnosis of intramural ventricular arrhythmias Miki Yokokawa, MD, Fred Morady, MD, FACC, Frank Bogun, MD, FACC Heart Rhythm Volume 13, Issue 1, Pages 78-82 (January 2016) DOI: 10.1016/j.hrthm.2015.08.034 Copyright © 2016 Heart Rhythm Society Terms and Conditions

Figure 1 Right anterior oblique (RAO) and left anterior oblique (LAO) views of the mapping catheter located in the distal great cardiac vein. Heart Rhythm 2016 13, 78-82DOI: (10.1016/j.hrthm.2015.08.034) Copyright © 2016 Heart Rhythm Society Terms and Conditions

Figure 2 Suppression of premature ventricular complexes in a patient with bigeminal rhythm when cold saline was infused into the distal great cardiac vein. Heart Rhythm 2016 13, 78-82DOI: (10.1016/j.hrthm.2015.08.034) Copyright © 2016 Heart Rhythm Society Terms and Conditions

Figure 3 A: Right anterior oblique (RAO) and left anterior oblique (LAO) views of an injection of contrast into the great cardiac vein. The first perforator vein is indicated with white arrows. A mapping catheter is within the perforator vein. B: Selective injection of contrast within the first perforator vein through the irrigated-tip ablation catheter. C: Twelve-lead QRS morphology of the intramural premature ventricular complex that was mapped in A and B. Heart Rhythm 2016 13, 78-82DOI: (10.1016/j.hrthm.2015.08.034) Copyright © 2016 Heart Rhythm Society Terms and Conditions