Neuromuscular blocking agents in the critically ill patient: neither sedating nor pain relieving.

Although neuromuscular blocking agents (NMBAs), such as pancuronium bromide and succinylcholine, are widely used in the management of critically ill patients, many misconceptions regarding the agents' clinical effects and indications persist. This article will discuss these misconceptions and review the indications for the use of NMBAs in the critically ill patient, how these potent agents work, and strategies to effectively manage critically ill patients who are receiving NMBAs as a part of their treatment regimen.