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Body surface area. In physiology and medicine, the body surface area ( BSA) is the measured or calculated surface area of a human body. For many clinical purposes, BSA is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose mass. Nevertheless, there have been several important critiques of the ...
Finger tip unit. In medicine, a finger tip unit ( FTU) is defined as the amount of ointment, cream or other semi-solid dosage form expressed from a tube with a 5 mm diameter nozzle, applied from the distal skin-crease to the tip of the index finger of an adult. [ 1][ 2] The "distal skin-crease" is the skin crease over the joint nearest the end ...
The Lund and Browder chart is a tool useful in the management of burns for estimating the total body surface area affected. It was created by Dr. Charles Lund, Senior Surgeon at Boston City Hospital, and Dr. Newton Browder, based on their experiences in treating over 300 burn victims injured at the Cocoanut Grove fire in Boston in 1942. [ 1]
Clark's rule. Clark's rule is a medical term referring to a mathematical formula used to calculate the proper dosage of medicine for children aged 2–17 based on the weight of the patient and the appropriate adult dose. [ 1] The formula was named after Cecil Belfield Clarke (1894–1970), a Barbadian physician who practiced throughout the UK ...
Kt / V. Kt. /. V. In medicine, Kt/V is a number used to quantify hemodialysis and peritoneal dialysis treatment adequacy. K – dialyzer clearance of urea. t – dialysis time. V – volume of distribution of urea, approximately equal to patient's total body water. In the context of hemodialysis, Kt/V is a pseudo-dimensionless number; it is ...
Absorption is the journey of a drug travelling from the site of administration to the site of action. [ 1 ][ 2 ] The drug travels by some route of administration ( oral, topical-dermal, etc.) in a chosen dosage form (e.g., tablets, capsules, or in solution ). [ 3 ] Absorption by some other routes, such as intravenous therapy, intramuscular ...
To estimate the body surface area of a burn, the rule of nines assigns BSA values to each major body part: [3] This allows the emergency medical provider to obtain a quick estimate of how much body surface area is burned. For example, if a patient's entire back (18%) and entire left leg (18%) are burned, about 36% of the patient's BSA is affected.
A dose is a measured quantity of a medicine, nutrient, or pathogen which is delivered as a unit. The greater the quantity delivered, the larger the dose. Doses are most commonly measured for compounds in medicine. The term is usually applied to the quantity of a drug or other agent administered for therapeutic purposes, but may be used to ...