CHICAGO - Executions by lethal injection involve a common medical procedure and government-approved medications — used for non-medical purposes. That's one reason why the American Medical Association and several other physician and nurses groups oppose having their members participate in executions. Here's how the procedures and drugs are supposed to work, and what can go wrong.
These are performed in doctors' offices and hospitals to administer fluids and medication. Typically a needle-tipped catheter is inserted into a vein, through which medication is given, in single doses or continuously infused.