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Nurse Math Meds
Medication math
60
Nursing
Undergraduate 1
01/11/2014

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Cards

Term
"Units" abbreviation
Definition
"Units"
Term
"International units" abbreviations
Definition
"international units"
Term
"microgram" abbreviation
Definition
mcg
Term
"magnesium sulfate" abbreviation
Definition
magnesium sulfate
Term
"greater than" and "less than" abbreviations
Definition
"greater than"
"less than"
Term
1 grain
Definition
60 mg
Term
15 grains
Definition
1 gram
Term
1 tsp
Definition
5 mL
Term
1 tbsp
Definition
3 tsp
15 mL
Term
What is the mass of 1 mL of urine?
Definition
1 g
Term
1 oz
Definition
30 mL
2 Tbsp
Term
1 cup
Definition
8 oz
240 mL
Term
1 pint
Definition
500 mL
Term
1 quart
Definition
1000 mL
2 pints
Term
1 gallon
Definition
4 quarts = 4000 mL
Term
1 lb
Definition
16 oz
Term
1 kg
Definition
2.2 lb
Term
1 yard
Definition
3 ft
Term
1 inch
Definition
2.54 cm
Term
Rounding rules for doses given as liquid
Definition
If greater than 1 mL, round to 1 place
If less than 1 mL, round to 2 places
Term
Rounding rules for doses given as a solid
Definition
If less than 1, round to 2 places
If between 1-10, round to 1 place
If greater than 10, round to whole number
Term
Rounding rules for nondedicated IV drip rates
Definition
Round to whole number
Term
Rounding rules for medicated IV
Definition
If less than 1 mL, round to 2 places
If greater than 1 mL, round to 1 place
Term
Name 3 examples of drugs that are measured in international units (in terms of their action)
Definition
Heparin
Insulin
Penicillin
Term
Definition of mEq
Definition
grams of drug per 1 mL solution
Term
When must you check the 7 rights of an MD order?
Definition
BEFORE accepting and processing the order
BEFORE administering
Term
7 rights of MD order
Definition
Right patient
Right drug
Right dose
Right timing
Right route
Date/time when written
MD signature
Term
My signature
Definition
FIrst initial. Last name, PUNS
Term
3 steps to take if medication administration error occurs
Definition
1. Check patient condition
2. Notify MD, supervisor
3. Document what was actually given
Term
Which areas of the safe dose ranges do you administer vs. hold?
Definition
Below minimum: Administer
Between minimum and maximum: Administer
Greater than maximum: Hold and call MD
Term
Maximum IM injection volume for deltoid
Definition
2 mL for adults
Term
Maximum IM injection volume for dorsogluteal and ventrogluteal
Definition
3 mL
Term
Syringe size range
Definition
0.3 mL to 60 mL
Term
Available sizes of insulin syringes
Definition
30, 50, 100 units
Term
Where do you measure doses on syringes when drawing up?
Definition
At flat ring of plunger closest to needle end
Term
If a prefilled injectable syringe order calls for less than the supplied amount, what do you do?
Definition
Get rid of excess first
Term
IM needles:
Size, maximum volume, angle of injection
Definition
1-2 inches
20-23 gague
2-3 mL max
90 degree angle
Term
SubQ needles:
Size, maximum volume, angle of injection
Definition
0.5-1 inch
26-29 gauge
1 mL max
45 degree angle
Term
ID needles:
Size, max volume, angle of injection
Definition
1/2 inch or less
26-29 gauge
0.5 mL max
15-20 degree angle
Term
What are your options if the MD order is too large for 1 injection?
Definition
1. Call pharmacy to see if another concentration is available
2. Split dose and give 2 injections (get 2nd RN)
Term
Isotonic IV fluids
Definition
0.9NS
LR
*D5W is isotonic but metabolized to hypOtonic
Term
Hypotonic IV fluids
Definition
1/2 NS (0.45NS)
1/4 NS
1/3 NS
Term
Hypertonic IV fluids
Definition
3%NS
5%NS
D10W
Term
Maximum dextrose concentration that can be given through a peripheral line?
Definition
D10
(10% dextrose)
Term
Macrodrip dop factor range
Definition
10-20 gtts/mL
Term
Microdrip drop factor
Definition
60 gtts/mL
Term
When can the RN make corrections to a flow rate that has gone off course?
Definition
ONLY if it is nondedicated. RNs don't have authority to change medication timing
Term
What requirements must the RN check on an MD order for titrations?
Definition
1. Titration parameters are within safe range
2. Clinical parameters are explained as to when dose should be changed
Term
When combining insulins in one syringe, which is drawn up first?
Definition
The shorter acting
Term
Ultra-short insulins
Definition
Glulisine
Aspart
Lispro
Term
Short insulins
Definition
Humulin R
Novolin R
*Can be used IV*
Term
Intermediate insulins
Definition
Humulin N
Novolin N
NPH
Term
Long acting insulins
Definition
Glargine (Lantus)
Detemir (Levemir)
**NEVER GIVEN IV**
Term
What is the usual dose of heparin and when should an RN question an MD's heparin order?
Definition
Usual: 20,000-40,000 units/hr
Question if greater than 40,000 units
Term
2 formulae for body surface area (BSA)?
Definition
BSA = sqrt [ (kg x cm) / 3600]

BSA = sqrt [ (lb x in) /3131 ]
Term
Formula for converting adult dose to pediatric dose
Definition
Pediatric dose = adult dose * (child's BSA/1.73 square meters)
Term
Maximum volume for pediatric IM injection
Definition
0.5 mL for infants
1 mL for 1-2 year olds
0.5-2 mL according to size if older than 2
Term
Maximum volume for pediatric SubQ injection
Definition
0.5 mL
Term
General flush guidelines
Definition
Peripheral lines: 15 mL
Central lines: 20 mL
Term
Elemental iron in iron tablets and liquid iron?
Definition
325 mg tablet = 65 mg elemental Fe
220 mg/5 mL liquid iron = 44 mg elemental Fe/ 5 mL
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