Teresa A Zimmers, Jonathan Sheldon, David A Lubarsky, Francisco López-Muñoz, Linda Waterman, Richard Weisman, Leonidas G Koniaris
BACKGROUND: Lethal injection for execution was conceived as a comparatively humane alternative to electrocution or cyanide gas. The current protocols are based on one improvised by a medical examiner and an anesthesiologist in Oklahoma and are practiced on an ad hoc basis at the discretion of prison personnel. Each drug used, the ultrashort-acting barbiturate thiopental, the neuromuscular blocker pancuronium bromide, and the electrolyte potassium chloride, was expected to be lethal alone, while the combination was intended to produce anesthesia then death due to respiratory and cardiac arrest...
April 2007: PLoS Medicine