Read e-book online Drug Calculations for Nurses : A step-by-step approach, PDF

By Robert Lapham

ISBN-10: 1482248468

ISBN-13: 9781482248463

The management of medicines in hospitals has turn into more and more complicated. It occasionally includes powerful medicinal drugs that could be deadly if administered incorrectly. the power to accomplish drug calculations adequately is for that reason paramount to avoid putting sufferers at risk.Drug Calculations for Nurses: A step by step method teaches healthcare pros the way to practice drug calculations with self belief and Read more...

summary: The management of drugs in hospitals has turn into more and more advanced. It occasionally comprises powerful medicines which may be deadly if administered incorrectly. the power to accomplish drug calculations properly is as a result paramount to avoid putting sufferers at risk.Drug Calculations for Nurses: A step by step technique teaches healthcare pros how one can practice drug calculations with self belief and competence. It offers step by step suggestions to hold out actual drug calculations, with devices and drug strengths basically explained.This bestselling pocket-size publication starts with th

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Read Online or Download Drug Calculations for Nurses : A step-by-step approach, Fourth Edition PDF

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Extra info for Drug Calculations for Nurses : A step-by-step approach, Fourth Edition

Sample text

However, it is probably easier to divide by 2 in several steps. Dividing by 5 Numbers ending in a 5 or a 0 are always divisible by 5. indb 14 4/22/15 10:12 PM Rules of arithmetic 15 Dividing by 6 If the number is divisible by 3 and 2, then it is divisible by 6 as well. Dividing by 7 Take the last digit, double it, then subtract the answer from the remaining numbers; if that number is divisible by 7, then the original number is too. For example: 203 Take the last number (3) and double it to give 6; subtract from the remaining numbers (20 – 6) to give 14.

8 (because 63 is bigger than 8). Problems with decimals can lead to medication errors. 5% of cases. Similarly, another study (Doherty and McDonnell 2012) looked at tenfold medication errors – this time over a 5-year period in a paediatric hospital. Errors of dose calculation due to omitted or misplaced decimal points and confusion with zeros were frequent contributing factors. e. in terms of 10. A decimal number consists of a decimal point and numbers to both the left and right of that decimal point.

E. e. 4 zeros ( ) Make the first number between 1 and 10. indb 32 4/22/15 10:12 PM 2 First principles OBJECTIVES At the end of this chapter, you should be familiar with the following: • • • • • Sense of number and working from first principles Estimation of answers The ‘one unit’ rule Checking your answer – does it seem reasonable? Minimizing errors SENSE OF NUMBER AND THE USE OF CALCULATORS OR FORMULAE In all calculations, particularly those involving drugs, it is important to have some idea as to what the answer should be.

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Drug Calculations for Nurses : A step-by-step approach, Fourth Edition by Robert Lapham


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