chapter 8 calculation of basic iv drip rates n.
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Chapter 8 Calculation of Basic IV Drip Rates. Types of Intravenous Fluids. D5W = D5%W D5S = D5 %0.9NS D51/2NS = D5 %0.45NS NS = 0.9%NS ½NS = 0.45% NS. Intravenous Drip Factors. Microdrip = 60 gtt/mL Macrodrip need to check package 10 gtt/mL 15 gtt/mL 20 gtt/ml

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Presentation Transcript
types of intravenous fluids
Types of Intravenous Fluids
  • D5W = D5%W
  • D5S = D5 %0.9NS
  • D51/2NS = D5 %0.45NS
  • NS = 0.9%NS
  • ½NS = 0.45% NS
intravenous drip factors
Intravenous Drip Factors
  • Microdrip = 60 gtt/mL
  • Macrodrip need to check package
    • 10 gtt/mL
    • 15 gtt/mL
    • 20 gtt/ml
  • To calculate IV drip rates, must know this information
electric infusion pumps
Electric Infusion Pumps
  • Volume for infusion
  • Rate for infusion
  • Turn pump on
intravenous piggybacks on electronic infusion pumps
Intravenous Piggybacks on Electronic Infusion Pumps
  • Secondary volume
  • Secondary rate
  • Turn pump on
calculating basic iv drip rates
Calculating Basic IV Drip Rates
  • Number of milliliters to infuse x tubing factor = drops per minute or gtt/min

number of minutes to infuse

  • When the order reads “hour,” convert to minutes by multiplying by 60 (60 minutes = 1 hour)
calculating iv drips for infusion pump
Calculating IV Drips for Infusion Pump
  • Total number of milliliters ordered = mL/hour Number of hours to run
question
Question

Order: 1000 mL D5W at 120 mL/hour Available macrodrip 15 gtt/mL

What is the drip factor in drops per minute?

A. 30

B. 31

C. 32

D. 33

answer
Answer

A. 30

  • 120 mL × 15 gtt/mL = 30 gtt/min 60 minutes
determining hours an iv will run
Determining Hours an IV Will Run
  • Number of milliliters ordered = Number of hours to run Number of milliliters per hour
question1
Question

How many hours will 500 mL of D5½NS run at 125 mL/hour?

A. 3

B. 4

C. 5

D. 6

answer1
Answer

B. 4

  • Number of milliliters ordered = Number of hours to run Number of milliliters per hour
  • 500 mL = 4 hours 75 mL/hour
choosing the infusion set
Choosing the Infusion Set
  • Microdrip
    • IV administered over a long period
    • Small amount of fluid to be infused
    • Macrodrops per minute too few
  • Macrodrip
    • Order specifies a large amount of fluid over a short time
    • Microdrips per minute are too many, and counting the drip rate becomes too difficult
adding medications to ivs
Adding Medications to IVs
  • Check diluent and volume
  • Check dose and expiration date of reconstituted solution
  • Note whether IVPB should be refrigerated before use and remain at room temperature
  • Calculate the drip rate and record this information on IVPB label
enteral nutrition
Enteral Nutrition
  • Used when patient cannot eat or cannot eat enough
  • Administered with a pump
    • Intermittent
    • Cyclic
    • Continuous