title: Pulseless electrical activity: a diagnostic challenge for EMS.
authors.affiliation: Department of Emergency Medicine, Keck School of Medicine, USC, Los Angeles, CA 90033, USA. pbenson@sbcglobal.net
authors.forename: Peter
authors.initials: P
authors.lastname: Benson
authors.forename: Marc
authors.initials: M
authors.lastname: Eckstein
mesh_terms: D016887:Cardiopulmonary Resuscitation; D004562:Electrocardiography / Q000379:methods*; D004632:Emergency Medical Services / Q000379:methods*; D017809:Fatal Outcome; D006323:Heart Arrest / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D006947:Hyperkalemia / Q000209:etiology / Q000628:therapy; D008297:Male; D008875:Middle Aged; D011674:Pulse / Q000379:methods*