![medtronic.jpg](https://assets1.cbsnewsstatic.com/hub/i/r/2010/11/14/c1cc3aaf-37db-47cb-8084-f12dfcbc9173/thumbnail/640x360/0faecd705e7dc161d46eb31e53d3020a/medtronic.jpg?v=d8f7565ef3e8b72561ee316b5993cbf9#)
FDA Warns Of Complications With Medtronic Catheter
Federal health regulators say an experimental catheter from Medtronic Inc. that uses extreme heat to correct irregular heartbeats caused safety side effects in nearly one-fifth of patients treated, far exceeding the study's safety goal.