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  1. J Wyatt1,
  2. R Lynch2
  1. 1Department of Accident and Emergency, Royal Cornwall Hospital, Treliske, Truro, Cornwall TR1 3LJ, UK
  2. 2Department of Emergency Medicine, Cavan General Hospital, Cavan, Ireland
  1. Correspondence to:
 Mr J P Wyatt

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This large multicentre study set out to establish whether non-traumatic out of hospital hypotension (systolic blood pressure<90 mm Hg), confers an increased risk of in-hospital mortality. Of 10 807 consecutive patients, there was a 9% incidence of out of hospital hypotension. Out of hospital hypotension was associated with a mortality rate of 32% compared with 11% in patients without recorded hypotension. The effect was more even pronounced when sustained hypotension occurred. The next important question is whether prehospital practitioners can improve outcomes by interventions aimed at preventing hypotension.

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Laryngeal mask airway for chemical and biological incidents ▸

The threat posed by chemical and biological warfare has prompted researchers in Israel to compare the ease and success rates of securing an airway while wearing special protective clothing. They identified that non-anaesthetic doctors may be as successful …

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