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Lauren Fischer and Paul Frank

in AMA Manual of Style: A Guide for Authors and Editors (11th ed.)

Print Publication Year: 
Feb 2020
Published Online: 
Feb 2020
Item type: 
Blood pressure and intraocular pressure are reported in millimeters of mercury (mm Hg); cerebrospinal fluid pressure is reported as centimeters of water (cm H2O). The pascal (newton per square meter [N/m2]) is the recommended SI unit for pressure but generally is not used for reporting these common physiologic pressure measurements. Partial pressure of gases (eg, of oxygen and carbon dioxide) may be reported as millimeters of mercury (mm Hg) or as kilopascals (kPa) (...