Dosage calculations
- 1. Dosage Calculations January 06, 2012 Warm Up 4 kg = _____ g .45 mg = _____g Objective: Using math for medicine. Nurse Wkst 1
- 2. Dosage Calculations January 06, 2012 Nurse Wkst 2
- 3. Dosage Calculations January 06, 2012 Medication may be ordered in a form or amount different from what is available. Use proportions to calulate the right dosage. Steps: a. Set up proportion b. Check to be sure units are the same horizontally c. Cross multiply and solve for x. Nurse Wkst 3
- 4. Dosage Calculations January 06, 2012 Example 1: 60 mg of medication are ordered. Tablets are available which have 30 mg of medication in each of them. How many tablets are needed to give 60 mg? a) Set up as a proportion: b) Are your units the same horizontally? c) Cross multiply and solve. Nurse Wkst 4
- 5. Dosage Calculations January 06, 2012 Ordered: 15 mEq Available: 10 mEq/5cc How many cc's needed? Nurse Wkst 5
- 6. Dosage Calculations January 06, 2012 Ordered: gr 1 800 Available: gr 1 per ml 200 How many ml? Nurse Wkst 6
- 7. Dosage Calculations January 06, 2012 Ordered: 40 units Available: 100 units/ml How many ml's should be given? Ordered: 3 mg Available: 1.5 mg/tables How many tablets should be given? Nurse Wkst 7
- 8. Dosage Calculations January 06, 2012 Nurse Wkst 8