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1 T =
3 t = 15 mL = 1/2 fl oz
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1 L =
1 qt = 32 fl oz = 2 pt = 4 cups
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1 pt =
500 mL = 16 fl oz = 2 cups
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IVPB
intravenous piggyback
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SL
sublingual, under the tongue
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p.r.
per rectum, rectally
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ad. lib.
as desired, freely
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stat
immediately, at once
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a with a line above it
before
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p with a line above it
after
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c with a line above it
with
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s with a line above it
without
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What does a drug order consist of?
- name of patient
- name of the drug to be administered
- dosage of the drug
- route by which the drug is to be administered
- frequency, time, and special instructions related to adminsitration
- date and time when the order was written
- signature and licensure of the person writing the order
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What are the six rights of safe and accurate medication administration?
The right patient must receive the right drug in the right amount by the right route at the right time, followed by the right documentation
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What are the maximum dosages allowed to be administered per intramuscular injection site for Adults, Children 6 - 12, and Children birth - 5?
- Adults average 150 lb = 3 mL (maximum deltoid site is 2 mL)
- Children 6-12 = 2 mL
- Children birth - 5 = 1 mL
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What is the calculation of an oral dosage?
- D (desired)
- H(have)
- x Q(quantity) = X (amount)
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What is the calculation used for an parenteral dosage?
- D (desired)
- H(have)
- x Q(quantity) = X (amount)
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What do you do if the amount is greater than 1 mL?
round the amount to be given to the tenths and measure it in a 3 mL syringe
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What do you do if the amount is less than 1 mL?
round the amount to be given to the nearest 100ths and all amounts less than 0.5 mL in a 1 mL syringe
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What do you do if the amount is between 0.5 mL and 1 mL?
calculate to the nearest 10ths and can be measured in a 1 mL or 3 mL syringe
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What is the calculation to figure if the dosage is safe?
mg/kg/dose x kg = mg/dose
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What other calculation is used to figure if the dosage is safe?
- D (desired)
- H(have)
- x Q(quantity) = X (amount)
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NS
normal saline (0.9% NaCl)
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What calculation is used to solve IV flow for manually regulated IVs ordered in mL/h or for a prescribed number of minutes?
- Volume (mL)
- Time (min)
- x Calibration or drop factor (gtt/mL) = Rate (gtt/min)
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What calculation is used to solve IV flow for manually regulated IVs ordered in total volume and total hours?
- Total (mL)
- Total hours
- = mL/h (round results to 10ths)
- then
- V
- T
- x C = R (round result to a whole number)
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What are the drop factor constants for
10 gtt/mL
15 gtt/mL
20 gtt/mL
60 gtt/mL
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What is the shortcut method to calculate IV flow rate?
- mL/h
- drop factor constant
- = gtt/min
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What is the calculation to figure BSA?
- ht (cm) x wt (kg)
- 3,600
- all squared
- Household:
- ht (in) x wt (lb)
- 3131
- all squared
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How do you calculate the safe dosage based on BSA?
mg/m2 x m2 = X mg
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What are the amounts used to calculate the daily rate of pediatric maintenance IV fluids
- 100 mL/kg/day for first 10 kg of body weight
- 50 mL/kg/day for next 10 kg of body weight
- 20 mL/kg/day for each kg above 20 kg of body weight
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How do you calculate flow rate of an IV medication to be given over a specified time period?
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