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Lecture Slides on Metric Conversion - Foundations in Nursing I | NSG 131, Study notes of Nursing

Yavapai CollegeNursing

Material Type: Notes; Class: Foundations in Nursing I; Subject: Nursing; University: Yavapai College; Term: Unknown 1989;

Typology: Study notes

Pre 2010

Uploaded on 08/16/2009

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Slide 2 Nsg 131 Metric Conversion
Metric Conversion
Our Example Problem:
An IV solution contains 100 mg of Nitroglycerin. 100 mg of
Nitroglycerin is equivalent to how many mcg?
Here are the 5 basic steps to change from one unit to another
Step 1 -Identify that you need to convert
Step 2 – Write down what you have
Step 3 – Write down your equivalent fraction
Step 4 – Reduce units
Step 5 – Perform the math
Metric Conversion
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Nsg 131 Metric Conversion
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Download Lecture Slides on Metric Conversion - Foundations in Nursing I | NSG 131 and more Study notes Nursing in PDF only on Docsity!

Slide 2 Nsg 131 Metric Conversion

Metric Conversion  Our Example Problem:  An IV solution contains 100 mg of Nitroglycerin. 100 mg of Nitroglycerin is equivalent to how many mcg? Here are the 5 basic steps to change from one unit to another Step 1 - Identify that you need to convert Step 2 – Write down what you have Step 3 – Write down your equivalent fraction Step 4 – Reduce units Step 5 – Perform the math

Metric Conversion

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Slide 9-11 Solution to Example Problem

Metric Conversion

 Our Example Problem:  An IV solution contains 100 mg of Nitroglycerin. 100 mg of Nitroglycerin is equivalent to how many mcg? Step 1 Identify you need to convert The key words that let us know we will need to convert are “equivalent to” Step 2 Write down what you have The quantity we have – our known quantity - is 100 mg of Nitroglycerin. Write this as a fraction with 1 on the bottom.

mg

(Writing the amount as a fraction will help us when we multiply later.) Metric Conversion  Our Example Problem:  An IV solution contains 100 mg of Nitroglycerin. 100 mg of Step 3^ Nitroglycerin is equivalent to how many mcg? Relate the units An equivalency chart will list how the units relate.

Metric Equivalents of Weight

1kilogram (kg) = 1 000 grams (g) 1gram (g) = 1 000 milligrams (mg) 1milligram (mg) = 1 000 micrograms ( μg or mcg) 1 kilogram 1 gram 1 milligram A pinch of salt

Household

Examples

1 microgram Too small to see!

Metric Conversion

Step 4 Reduce the units Cross off any matching pairs of unit labels. The label left should be what you want to find. We now have: In this example the only unit left is mcg which is what we want to find.

x 1, 000

mcg

mg

mg

Metric Conversion

Step 5 Perform the math 100 mg is equivalent to 100,000 mcg.

x 1, 000

mcg

mg

mg

100 x 1000 100, 000

1 x 1 1

 100, 000 mcg

( reduce any fractions )

( remember your units )

Slide 17

These are the steps we used. 1. Determine the need to perform a metric conversion (key words “equivalent to”, all units are metric)

_2. Write down the starting term

  1. Find an equivalency for the units._ Write the equivalency down next to the starting term with the _units you want to eliminate on the bottom
  2. Reduce the units (Eliminate only the words that match in the top_ and bottom of your fractions.) When you are finished you should _have only the terms you are looking for left.
  3. Perform the math operations and reduce your answer. (In some_ calculations you may need to round as specified by your instructions.)

Metric Conversion

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