©ECRI XXI. Defibrillators TRAINING SEMINAR ON MEDICAL DEVICE ACCIDENT INVESTIGATION for Kingdom of Saudi Arabia Saudi Food & Drug Authority Riyadh February, 2007 Presenter: Mark E. Bruley Vice President, Accident and Forensic Investigation ECRI 5200 Butler Pike, Plymouth Meeting, PA, USA Tel: , ext Web Sites:
©2007 ECRI 2 Defibrillators “Failed to Discharge” Scenario Performance Testing Safety in Testing Battery Considerations Patient Considerations Patient Chest Burns Patient Fires
©2007 ECRI 3 “Failed to Discharge” Scenario Case 3: Tried to defib several times with no effect; used another defib. What actually happened? Was battery charged? Was unit set properly? Did unit fail somehow? Were paddles or pads used?
©2007 ECRI 4 Performance Testing Does it work? –Battery good for 10 discharges at max. energy –Electrically safe –Proper output energy –Proper paddles or pads
©2007 ECRI 5 Safety in Testing Discharge to test device Careful placement of hands Have a buddy present
©2007 ECRI 6 Battery Considerations Battery explosion Overheating/Too cold Insufficient power/Not charged
©2007 ECRI 7 Patient Considerations Proper pad/paddle placement? Pad in good shape? Pacemaker present?
©2007 ECRI 8 Patient Chest Burns Paddle or pads not in good contact Arc strike
©2007 ECRI 9 Patient Fires Oxygen in use Defib provides spark Surface fiber flame propagation in hair
©2007 ECRI 10 QUESTIONS? XXI. Defibrillators