Metric system, Height & Weight Objectives Define the Apothecaries and the metric system. Review the household measurements. State the rationale for converting.

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Presentation transcript:

Metric system, Height & Weight

Objectives Define the Apothecaries and the metric system. Review the household measurements. State the rationale for converting measurements between systems. Explain the process of converting measurements within one system. Summarize the process of converting measurements between systems.

Objectives ( cont.) List the metric, apothecary, and household equivalents. Practice converting measurements from household or apothecary to the metric system.

Metric System The basic measurement units are the meter, liter and the gram.

Apothecary System Originated in England and is based on the weight of one grain of wheat. The grain is the basic unit of weight and the minim ( the approximate volume of water that weighs a grain) is the basic unit of volume.

Household System The least accurate of the three systems. It is not ordinarily used to calculate dosage, but only a reference to help the client. The units of liquid measure are gtt, tsp, Tbsp,oz and cup.

Height and Weight Assess the client’s ability to stand independently Determine whether current clothing is similar to that worn previously PLAN: Obtain accurate weight Client incurs no injury Client maintains privacy

Standing Scale Check identification band Place scale near client Calibrate scale to zero Ask client to remove shoes and to step on scale and stand still Electronic Scale: Read weight after digital numbers have stopped fluctuating Balance Scale:Slide the larger weight into the notch most closely approximating the client’s weight. Slide the smaller wt. to the so that the balance rests is in the middle. Add 2 nos.

Ask client to step down. Wipe scale with appropriate disinfectant Cleanse hands

HEIGHT The height measuring rod is also found on s standing weighing scale. The metal arm attached to the back of the sclae is extended to gently rest on top of patient’s head

Hoyer Lift

TABLE METROPOLITAN HEIGHT AND WEIGHT TABLES FOR MEN AND WOMEN According to Frame, Ages WOMEN Weight in Pounds (In Indoor Clothing)* Indoor clothing weighing 5 pounds for men and 3 pounds for women. + Shoes with 1-inch heels

Chair Scale

Infant Scale

Flatform Scale