Background: Seizure duration has long been measured as a potential marker of ECT treatment efficacy. with concern that short seizures may be clinically ineffective. Relatively small studies have documented a trend towards shorter seizures during acute course ECT. but data from large cohorts would help provide normative data on seizure duration changes during treatment. https://www.roneverhart.com/Straight-Blade-Receptacles-Duplex-2P-3W-20A-125V-5-20R-WHITE-HUBBELL-5362W/