Paediatrics seminar
COMPOSITION OF BODY FLUIDS            &        FLUID LOSS
Total Body WaterTOTAL BODY FLUID IS DIVIDED INTO 2        COMPARTEMENTS:-          1.Intracellular(ICF)         2.Extracel...
INTRACELLULAR COMPARTMENT Consists of   40% of body weight
EXTRACELLULAR COMPARTMENTConsists of 20% of body water                      Interstitial fluid- 80% of ECF              ...
ICF            &               ECFICF (30-40%)               Interstitiial                   (15%)             Plasma(5%)
An equilibrium is alwaysmaintained between            &ICF                  ECF
Sodium ion  Pottasium ion
Intracellular Anions         Plasma anions                               Chloride ion                         Cl-         ...
FLUID LOSSPlasma water loss           dehydration,anaemia           polycythemia,heart failure           hypoalbuminemia,...
Fluid loss in neonatesInsensible water loss ----15 –30ml/kgRenal water loss -----------60—90ml/kgStool water loss------...
Insensible fluid loss in neonates   causes -----        Increase in surface area per unit body mass        Decrease in s...
Fluid and electrolyte
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Fluid and electrolyte

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Fluid and electrolyte

  1. 1. Paediatrics seminar
  2. 2. COMPOSITION OF BODY FLUIDS & FLUID LOSS
  3. 3. Total Body WaterTOTAL BODY FLUID IS DIVIDED INTO 2 COMPARTEMENTS:- 1.Intracellular(ICF) 2.Extracellular(ECF)
  4. 4. INTRACELLULAR COMPARTMENT Consists of 40% of body weight
  5. 5. EXTRACELLULAR COMPARTMENTConsists of 20% of body water  Interstitial fluid- 80% of ECF  Plasma- 20% of ECF  Transcellular fluid  Gastrointestinal  CSF  Peritonial & ocular
  6. 6. ICF & ECFICF (30-40%) Interstitiial (15%) Plasma(5%)
  7. 7. An equilibrium is alwaysmaintained between &ICF ECF
  8. 8. Sodium ion Pottasium ion
  9. 9. Intracellular Anions Plasma anions Chloride ion Cl- HCO3- 3 10 Cl- 14 6 2 40 HCO3-24 Proteins 107 104 Proteins Phophates Others Phosphate s
  10. 10. FLUID LOSSPlasma water loss dehydration,anaemia polycythemia,heart failure hypoalbuminemia, abnormal plasma osmolality
  11. 11. Fluid loss in neonatesInsensible water loss ----15 –30ml/kgRenal water loss -----------60—90ml/kgStool water loss-------------10 ml/kgGrowth --------------10—15 ml/kgWater of oxidation-----------15---18ml/kg
  12. 12. Insensible fluid loss in neonates causes ----- Increase in surface area per unit body mass Decrease in subcutaneous fat tissue Thin epidermis Increased permeability of epidermis

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