ok first here is the article abstract Comparison
of Success Rates between Two Video Laryngoscope Systems Used in a
Prehospital Clinical Trial Take home messages
- Both VL systems did no better than traditional DL when
historical data reviewed in this prehospital system - King Vision did worse than CMAC, mainly due to screen
failures due to disconnections of handle from screen - Supraglottic airway and BVM techniques were used to
rescue both DL and VL failures so important to maintain
comprehensive skills
Prehospital and Retrieval Medicine - THE PHARM dedicated to the memory of Dr John Hinds 
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