Registered Nurse

Useful Clinical Information

Commonly Used Shorthand Notations

Na Cl BUN

Glucose pH/pO2/pCO2/HCO3, FiO2

K HCO3 Creat

WBC

Hb Platelets

Hct

Normal Values

Serum Urine

Na 134-146 mEq/L diet determined, ~100 mEq/day

Cl 92-109 mEq/L

K 3.5-5.1 mEq/L diet determined, ~60 mEq/day

HCO3 24-31 mEq/L

BUN 8-25 mg/dl* 10-20g/day

Creat .5-1.5 mg/dl

Gluc 60-110 mg/dl <300 mg/day

Ca 8.0-10.4 mg/dl <300 mg/day

P 2.6-4.6 mg/dl .5-1.3 g/day

Albu 3.4-5.4 g/dl 20-100 mg/day

Osm 285-300 mosm/L 250-1000 mOsm/L

pH 7.35-7.45 diet determined, ~60 mEq/day [H+]

Hb M:14-18 g/dl; F:12-16g/dl

Hct M:40-52%; F:37-47%

WBC 5-10 x 1,000/ l

Pts 150-400 x 1,000/ l

GFR (creatinine or inulin clearance) 150-180 L/day/1.73 m2~100-125ml/min

RPF (PAH clearance) 600 ml/min

Total serum osmolality ~ 2[Na] + BUN/2.8 + Glu/18

* the unit “mg/dl” is often abbreviated mg%

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