Dosage Calculation Practice bn &Profession; Continuing Education Schoolof rofess

Question

Dosage Calculation Practice bn &Profession; Continuing Education Schoolof rofessional Development DOSAGE CALCULATION PRACTICE ORDER FeSO4 600 mg. PO Penicillin 250,000 units IV KCI 40 mEq PO Digoxin 0.375 mg PO Demerol 30mg IM Gentamicin 50mg IV Aminophylliene 0.4 g IV Heparin 4,000 units Lasix 80 mg PO LABEL ADMINISTER FeSO4 325 mg/tablet Penicillin 20 million units in 20m KCI 10 mEq/ 15m Digoxin 0.125 mg/tablet Demerol 75mg/ce Gentamicin 80 mg/ 2ml Aminophylline 500 mg/ 10cc Heparin 10,000 units/ ml Lasix 40mg/tablet

Explanation / Answer

Formula for all the following is: amount to give = (Ordered dosage / available dosage) × vehicle
1. Ordered dosage: 600 mg
Available dosage: 325 mg / tablet
Amount to give = (600/325) × 1= 1.85 tablet = approximately 2 tabs
2. Ordered dosage: 250000 units IV
Available dosage: 20 million units in 20 ml
Amount to give = (250000 / 2000000) × 20 = 2.5 ml
3. Ordered dosage: 40 mEq
Available dosage: 10 mEq / 15 ml
Amount to give = (40 / 10) × 15 = 60 ml
4. Ordered dosage: 0.375 mg
Available dosage: 0.125 mg / tablet
Amount to give = 0.375 / 0.125 = 3 tablets
5. Ordered dosage: 30 mg
Available dosage: 75 mg / cc
Amount to give = 30 / 75 = 0.4 cc
6. Ordered dosage: 50 mg
Available dosage: 80 mg / 2 ml
Amount to give = (50/80) × 2= 1.25 ml
7. Ordered dosage: 0.4 g = 400 mg
Available dosage: 500 mg / 10 cc
Amount to give = (400/500) × 10 = 8 cc
8. Ordered dosage: 4000 units
Available dosage: 10000 units / ml
Amount to give = 4000 / 10000 = 0.4 ml
9. Ordered dosage: 80 mg
Available dosage: 40 mg / tablet
Amount to give = 80 / 40 = 2 tablets

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