BOX 6-2
Rules for Detecting Possible Adverse Drug Events Using Automated Surveillance
Receiving new diphenhydramine AND no diphenhydramine within last 7 days AND patient not on paclitaxel AND no blood transfusion in last 1 day AND no diphenhydramine at bedtime
Receiving oral vancomycin
Blood alkaline phosphatase >350 units/liter (L)
Receiving phytonadione (vitamin K) AND on Coumadin
Receiving ranitidine AND platelet count has fallen to less than 50 percent of previous value or below 100,000
Serum carbamazepine >12.0 micrograms/milliliter (µg/mL)
Serum digoxin >1.7 nanograms (ng)/mL
Serum bilirubin >10 milligrams/deciliter
Serum cyclosporine >500 µg/L
Serum potassium >6.5 millimoles/L
Blood eosinophils >6 percent
Receiving kaopectate
Receiving loperamide
Serum n-acetyl procainamide >20 µg/mL
Serum phenytoin results >20 µg/mL
Serum phenobarbital results >45 µg/mL
Receiving prednisone AND diphenhydramine
Serum procainamide >10 µg/mL
Serum aspartate amino transferase >150 U/L AND no prior result >150 U/L
Serum theophylline >20 µg/mL
Serum valproate >120 µg/mL
Serum quinidine >5 µg/mL
Serum alanine aminotransferase >150 U/L AND no result >150 U/L in last 7 days
SOURCE: Honigman et al., 2001.
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