The Telltale Heart or the Importance of the “Tap Test” in Electroconvulsive Therapy (ECT)Popeo, Dennis M. MD; Pasculli, Rosa M. BA; Kellner, Charles H. MDThe Journal of ECT: June 2012 - Volume 28 - Issue 2 - p 76 doi: 10.1097/YCT.0b013e3182321249 Images in Clinical ECT Abstract Author Information The “Tap Test” is a maneuver used to test the functioning of the electroencephalogram and electromyogram leads just prior to electroconvulsive therapy. Here we present a brief case and image that reinforces the importance of this simple test. From the Mount Sinai School of Medicine, New York, NY. Received for publication July 21, 2011; accepted July 26, 2011. Reprints: Dennis M. Popeo, MD, Mount Sinai School of Medicine, New York, NY (e-mail: firstname.lastname@example.org). Conflicts of Interest and Source of Funding: None of the authors have conflicts of interest to disclose. Dr Kellner and Dr Popeo currently receive grant support from the NIMH. © 2012 Lippincott Williams & Wilkins, Inc.