title: Electrical storm originating from a left ventricular epicardial scar in a patient with completely normal endocardial voltage.
abstract: We report a patient with non-ischemic dilated cardiomyopathy presenting with an electrical storm because of a poorly tolerated monomorphic ventricular tachycardia. Electroanatomical mapping revealed a scar restricted to the epicardium, whereas the endocardial voltage map was completely normal. Epicardial catheter ablation based on substrate mapping and limited pace and entrainment mapping eliminated the tachycardia.
authors.affiliation: Electrophysiology Unit, Biocor Instituto, Nova Lima, Brazil.
authors.forename: Eduardo Back
authors.initials: EB
authors.lastname: Sternick
authors.forename: Christopher
authors.initials: C
authors.lastname: Piorkowski
authors.forename: Gerhard
authors.initials: G
authors.lastname: Hindricks
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Dagres
authors.forename: Philipp
authors.initials: P
authors.lastname: Sommer
mesh_terms: D002304:Cardiac Pacing, Artificial; D002311:Cardiomyopathy, Dilated / Q000150:complications* / Q000473:pathology / Q000503:physiopathology; D017115:Catheter Ablation; D002921:Cicatrix / Q000150:complications* / Q000473:pathology / Q000503:physiopathology / Q000601:surgery; D004562:Electrocardiography; D022062:Electrophysiologic Techniques, Cardiac; D006352:Heart Ventricles / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D010496:Pericardium / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D013318:Stroke Volume; D017180:Tachycardia, Ventricular / Q000175:diagnosis / Q000209:etiology* / Q000473:pathology / Q000503:physiopathology / Q000601:surgery; D016896:Treatment Outcome; D016277:Ventricular Function, Left