When you need to breathe, not just any pen will do

Ball point pens are not all equivalent, suggests this emergency-medical study: “Airflow efficacy of ballpoint pen tubes: a consideration for use in bystander cricothyrotomy,” David Owens, Ben Greenwood, Alistair Galley, Alun Tomkinson, Sarah Woolley, Emergency Medicine Journal, 2010;27:317-320. (Thanks to investigator @MsCelsius for bringing this to our attention.) The authors, at Princess of Wales Hospital, […]