Following a spate of aviation accidents in the 1980’s and 1990’s, Transport Canada and the aviation industry came up with the aviation ‘Dirty Dozen’ – human factors in aviation maintenance that commonly lead to errors.
Consider these in the context of your prehospital or emergency service:
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(thanks to Tim Leeuwenburg at KIdocs.org for this one!)
Prehospital and Retrieval Medicine - THE PHARM dedicated to the memory of Dr John Hinds 
Not mine – this was @checklistmedic ‘ s tweet