计量单位的使用实行国务院1984年2月颁布的《中华人民共和国法定计量单位》,并以单位符号表示,具体使用中执行GB3100～3102-93《量和单位》一书,血压计量单位可以使用毫米汞柱(mmHg),但首次使用时应注明与千帕斯卡(kPa)的换算系数(1mmHg=0.133kPa)。组合单位符号中表示相除的斜线多于1条时应采用负数幂的形式表示,如ng/kg/min应采用ng The use of units of measurement under the State Council promulgated in February 1984, “People’s Republic of China legal units of measurement” and unit symbols that the specific use of the implementation of GB3100 ~ 3102-93 “volume and unit” a book, blood pressure measurement units can use millimeters Mercury (mmHg), but when used for the first time, a conversion factor in kilopascals (kPa) (1 mmHg = 0.133 kPa) should be stated. More than one slash indicating a division in the unit symbol should be expressed in negative power, for example, ng / kg / min should be ng