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Karch’s Focus on Nursing Pharmacology, 9th Ed., Tucker/
Chapter 05: Dosage CalculationsAce Your Karch’s Focus on Nursing Pharmacology, 9th Ed., Tucker Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Registered Nurse (RN) Students
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Karch’s Focus on Nursing Pharmacology, 9th Ed., Tucker | Registered Nurse (RN) School Study Aid
IV Solutions
- Hypotonic (< 280 mOsm/L)
- 1/4 Normal Saline (0.225% NaCl)
- 1/2 Normal Saline (0.45% NaCl)
- Isotonic (280-300 mOsm)
- Normal Saline (0.9% NaCl)
- Lactated Ringer's (LR)
- Dextrose 5% in Water (D5W)
- Hypertonic (> 300 mOsm)
- 3% or 5% NaCl
- Dextrose 5% in 0.45% NaCl
- Dextrose 10% in Water (D10W)
3 mins
IV Calculation Formulas
- IV TUBING
- Drop Factor
- Macrodrip
- Microdrip
- FLOW RATES
- Total Volume to Infuse (mL) X Drop Factor/ Time in Minutes = Drops/Minute (gtt/min)
- INFUSION TIME
- Total Volume to Infuse / mL per Hour Being Infused = Infusion Time
- Number of mL/Hr
- Total Volume in mL / Time in Hours = Number of mL per Hour
3 mins
Infusions Prescribed by Unit Dosage per Hour
- Step 1
- Determine Amount of Medication per 1mL
- Known Amount of Medication in Solution/Total Volume of Diluent = Amount of Medication per Milliliter
- Step 2
- Calculate mL per Hour
- Dose per Hour Desired/Concentration per Milliliter = Infusion Rate (mL/hour)
2 mins
Conversions: Temperature
- 0° C = 32° F
- How to Convert Celsius to Fahrenheit
- °C x 1.8 + 32 = °F
1 min
Conversions: Weight
- 1000 mcg = 1 mg
- 1000 mg = 1 g
- 1000 g = 1 kg
- 2.2 lb = 1 kg
1 min
Conversions: Volume
- Volume
- 1 mL = 1 cc
- 5 mL = 1 Tsp
- 15 mL = 1 Tbsp
- 30 mL = 1 oz
- 1000 mL = 1L
- 2 Tbsp = 1 oz
- 8 oz = 1 Cup
2 mins
Conversions: Pounds and Kilograms
- 2.2 lb (pounds)
- 1 kg (kilogram)
- Know Your Own Weight
37 secs
