ICU Rounds
also available for free download on iTunes. (http://itunes.apple.com/us/podcast/icu-rounds/id254707344)
Intraosseous vascular access was was developed for use in adult trauma patients over 80 years ago.  Only recently has this technique regained popularity for rapid and safe access to the vascular space in patients in extremis. 
Direct download: IO_infusion.mp3
Category:podcasts -- posted at: 10:09pm EDT