The body surface area is used in many measurements in medicine, including the calculation of drug dosages and the amount of fluids to be administered IV. This free body surface area calculator estimates the surface area of a person's body based on body weight and height. Therefore, before solving body surface area you need to commit to memory the following formulas below. 4. These calculations are used so a medication dosage is based on the current weight and height of the individual patient. Body surface area (BSA) based dosing is a useful way to mitigate patient size variation in medication regimens. Arch Int Med 1916;17:863-71. ** The first two formulas will help you calculate the body surface area and you will select which formula to use based on if the scenario gave you the patient’s weight and height in the household or metric system . Body Surface Area (BSA) – The Mosteller Formula: The average BSA of an adult is 1.73 m 2. A formula to estimate the approximate surface area if height and weight be known. 5. The body surface area (BSA) is a mathematical relationship, expressed in m 2, with the result obtained from the height and weight of the patient.This measure is used in order to obtain a more comprehensive parameter of the patient’s weight, to … : BSA has the following uses: 1. Simplified Calculation of Body Surface Area. 1987 Oct 22;317(17):1098. A number of different formulas have been developed over the years to calculate the body surface area and they give slightly different results. * Child’s dose = (body surface area of child / 173 mm2) x adult dose * Fried’s rule = (age in months / 150) x adult dose * FP of blood = -0.52oC * Each gm of hydrous dextrose provides = 3.4 calories / kcal * Each gm of anhydrous dextrose provides = 4 calories / kcal * Each gm of fat provides = 9 calories / kcal Accreditation: Pharmacy Tech Topics™ Modules are accredited for Continuing Pharmacy Education (CPE) credits by the Illinois Council of Health-System Pharmacists. Answer: 2 mL Ativan. This formula is often used for Chemotherapy medications. Compare the results of various prevalent formulas, or explore hundreds of other calculators addressing fitness, health, finance, math, and more. BODY SURFACE AREA. The practioner may need to take into account body surface area as a possible variable when determining drug dosage (e.g., chemotherapy). Reduce and enlarge compounding formulas. The formula is: Note that weight is in kg and height is in cm Arch Int Med 1916 17:863-71. (letter) DuBois D, DuBois EF. Using BSA may help prescriber's dose more optimally to improve drug efficacy, minimize drug toxicity, and account for some changes in pharmacokinetics depending on patient factors. DuBois D, DuBois DF. Calculate intravenous (IV) flow rates. It determines the dose of chemotherapy for a patient. 6. SECOND-set up the formula with WANT over HAVE. Haycock GB, Schwartz GJ, Wisotsky DH. body surface area, body surface area formula, DuBois formula, mosteller formula, Pharma fresher's guide, Pharmaceutical calculations Q) Calculate the body surface area of a person with 1.6 m height and 80 kgs weight? N Engl J Med. Background: How is BSA used? Calculate doses based on weight and body surface area. 2. A formula to estimate the approximate surface area if height and weight be known. 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