Body fluids compositions and their measurements by. Volumes compartments of body fluids 2.
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Measurement of body fluids ppt. Measurement of plasma volume requires a tracer which is mostly limited to this compartment and this is achieved by using a tracer which binds to albumin. Intracellular fluid 40 of body weight 28liters extracellular fluid 20 of body weight plasma 5 of body weight or 25 of ecf 35ltr interstitial fluid 15 of body weight or 75 of ecf 105 liters transcellular ecf saliva sweat csf intraocular fluid bile pleural peritoneal pericardial and synovial fluid lacrimal fluid fluids of gut cochlea 15 or 1 liter mesenchymal fluid connective tissue cartilage bones. Measurement of each compartment 4. Osmolarity of body fluids measurement 18112012 9. Significance of body fluids. Measurement of body fluid volumes total body water is measured using dilution principle.
My friend sent me a link to to tis site. Chapter 25 pages 292 301 membrane function osmosis is movement of water to an area with more solute if cell membrane. Body fluid compartments chapter reading. The tracers used are the azo dye known as evans blue or t1824 which binds avidly to albumin or radio iodine labelled serum albumin risa. Plasma osmolarity 2 na 0055 glucose 036 blood urea nitrogen. Thus 03 osm or 300 mosm.
All but about 20mosm is contributed by sodium ions and their accompanying anions mainly chloride and bicarbonate ions. A marker is injected that will be evenly distributed in all the compartments of body fluids. Marker that diffuses freely not only in the water outside the cells but also crosses the cell membrane to reach the intracellular fluid. Glucose and urea contribute significantly when hyperglycemia or uremia is present. Composition of body fluids 3. Dr nilesh kate mbbsmd associate prof dept.
Viscosity η is the property of a fluid that causes it to resist flow it is a measure of the frictional forces acting between the layers of fluid as it flows along the tube η force x velocity gradient area unit of viscosity is pascal second pa s 15. Freezing point of the plasma 056oc. Cryoscopy 1 mole solute drops the freezing point of the water from 0 to 186oc. Water balance positive and negative water balance 6. Osmolarity of body fluids plasma osmolarity is about 280 290mosml. Of physiology body fluids 2.
Dr qazi imtiaz rasool 34 34 h2o 32 32 50 50 54 54 34 34 52 52 44 44 47 47 objectives.
Gallery of Measurement Of Body Fluids Ppt
