A planar QRS-T angle greater than 90° significantly predicts death, appropriate implantable cardioverter-defibrillator (ICD) shock, and resuscitated cardiac arrest in patients with nonischemic cardiomyopathy, researchers report.

"Many patients with ICDs do not receive appropriate shocks, and the majority of patients who experience sudden death do not meet current criteria for ICD implantation," the authors comment in the journal Circulation.

They add: "Additional criteria that improve sensitivity and specificity would be beneficial, especially if they were widely available at low cost."

The planar ...

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