Circulation: Arrhythmia And Electrophysiology On The Beat

Circulation: Arrhythmia and Electrophysiology On the Beat November 2017

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Paul Wang:         Welcome to the monthly podcast On The Beat for Circulation, Arrhythmia and Electrophysiology. I'm Dr. Paul Wang, editor-in-chief, with some of the key highlights from this month's issue. We'll also hear from Dr. Suraj Kapa, reporting on new research from the latest journals in the field.                                 In our first article, Elyar Ghafoori and associates examined the ability of late gadolinium enhancement MRI done immediately after ablation to predict edema and chronically even size. In a canine model, the authors created ventricular radiofrequency ablation lesions. All animals underwent MRI immediately after ablation. After one, two, four and eight weeks, edema and microvascular obstruction MVO, in enhanced volumes were identified in MRI. Immediately after contrast administration, the microvascular obstruction region was 3.2 times larger than the chronic lesion volume size in acute MRI. The authors found that microvascular obstruction region on acute late gadolinium enhanc