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Units of measurement of central venous pressure

BMJ 1995; 310 doi: (Published 08 April 1995) Cite this as: BMJ 1995;310:942
  1. J Robert Sneyd
  1. Consultant anaesthetist Department of Anaesthesia, Derriford Hospital, Plymouth PL6 8DH

    EDITOR,—While reading the Grand Round on nocardia pericarditis I was stopped in midsentence by the use of kilopascals as units of central venous pressure.1 Central venous pressure is measured in a mixture of units according to circumstance. Thus when it is estimated at the bedside as centimetres above the clavicle the unit of measure is centimetres of blood; when a simple manometer is used the unit is centimetres …

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