Transcript MEDICATION CALCULATION TEST REVIEW

MEDICATION
CALCULATION TEST
REVIEW
Makeba Felton, RN, MSN, FNPC, WHNP
Academic Counselor
Fall, 2006
WHY IS THIS IMPORTANT??
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PATIENT SAFETY
COMPETENCY AS A NURSING
STUDENT/ NURSE
SMALL MISTAKES= BIG PROBLEMS
What to Review??
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Handout
Abbreviations (front cover of book)
Conversions
Medication dosages
IV flow rates
Heparin infusions
IV drip rates
ABBREVIATIONS
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ac
pc
hs
ou
od
q
sq
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STAT
tid
bid
qid
mcg
gtt
IM
CONVERSIONS
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1g= 1000 mg
1mg= _____ mcg
1 L= 1000 mL
1tsp=5 mL
1T= _____ mL
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1mL= ____cc
1 c = ____mL
1gr= _____mg
1oz= 30mL
MEDICATION DOSAGES
RATIO AND PROPORTION….
DOSAGE DESIRED
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STOCK WEIGHT
(available)
DOSAGE VOLUME
X _______________
STOCK VOLUME
MEDICATION DOSAGES
1. Order: 35 mg drug for your patient
Available: 40 mg per 2.5ml
What amount do you give…..
Answer:____________
MEDICATION DOSAGES
2.
Order: 0.45mg for your patient
Available: Tablets labeled 0.3mg
What amount do you give…..
Answer:____________
MEDICATION DOSAGES
3.
Order: 50mg IM of a drug
Available: 80 mg per mL
What amount do you give…..
Answer:____________
MEDICATION DOSAGES
4.
Theophylline elixir 120 mg po bid.
You have Theophylline elixir in
80 mg/15 mL solution available. How
much will you give??
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IV FLOW RATES
FORMULA….for drops per minute
x gtt
1min
= amount of solution x drop factor
time in min
IV FLOW RATES
Formula… volume in minutes
x gtt =
1 min
Amount of solution x drop factor
time in minutes
IV FLOW RATES
Formula for volume per hour infusion…
x mL = amount of solution (mL)
1 hour
time in hours
IV FLOW RATES
5.
You need to administer D5W at 100mL/hr.
The tubing drop factor is
10 gtt/ min. At what rate in gtt/min should
the fluid be regulated at??
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IV FLOW RATES
6. You need to administer 500 mL of D5W over 4
hours. Your drop factor is 15 gtt/min.
Calculate the IV flow rate in gtt/min.
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IV FLOW RATES
7. How long will it take for 150 mL of solution to
infuse at 25 mL/ hr??
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IV FLOW RATES
8. A client is receiving 1000mL of D5LR at
100mL/ hr. How many hours will it take for the
IV to infuse??
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HEPARIN INJECTIONS
Formula…
Units available = Units ordered
in 1 mL
x amount
HEPARIN INJECTIONS
9. You are to administer 2500 units of heparin.
What you have available is 10,000 units/ mL.
How much heparin do you administer??
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HEPARIN INFUSIONS
Formula…
Units of heparin in sol’n = x units
amount of sol’n hep
rate of infusion
is in
HEPARIN INFUSION
10.
You are to infuse 1200 units of heparin per
hour of NS containing 20,000 units of
heparin. What is the rate of infusion??
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