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Chapter 5

Chapter 5. Dosage Calculations. Metric System. The metric system is the most widely used system of measure. It is based on the decimal system, so all units are determined as multiples of 10.

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Chapter 5

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  1. Chapter 5 Dosage Calculations

  2. Metric System • The metric system is the most widely used system of measure. • It is based on the decimal system, so all units are determined as multiples of 10. • The metric system uses the gram as the basic unit of solid measure and the liter as the basic unit of liquid measure

  3. Milliequivalents (mEq) are used to measure electrolytes (e.g., potassium, sodium, calcium,fluoride). • The milliequivalent refers to the ionic activity of the drug.

  4. —1 fl oz (apothecary system) is equivalent to 30 mL (metric system). • Most IV delivery systems come with a standard control called a microdrip, by which each milliliter delivered contains 60 drops.

  5. بامیکروست سی سی درساعت همان قطره دردقیقه است.

  6. off -label uses • uses of a drug that are not part of the stated therapeutic indications for which the drug was approved by the FDA;off-label uses may lead to new indications for a drug. • Off-label use of drugs is widespread and often leads to discovery of a new use for a drug. The nurse needs to be cognizant of off-label uses.

  7. street drugs • nonprescription drugs with no known therapeutic use; used to enhance mood or increase pleasure.

  8. ALTERNATIVE THERAPIES ANDHERBAL MEDICINE • Herbal medicines and alternative therapies.

  9. DRUG ABUSE • Hollywood stars are often part of the drug scene, using street drugs—nonprescription drugs with no known therapeutic use—to enhance their moods and increase pleasure. • Alcohol and nicotine are two commonly abused drugs .

  10. Go to http://www.nida.nih.gov to find educational programs for teens, parents, and health care professionals; research on dealing with drug abuse problems.

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