What is the IV fluid administration for a cat in shock?
25 ml/lb/hr (55 ml/kg/hr)
What is the IV fluid administration rate for surgery?
5 ml/lb/hr (11 ml/kg/hr)
What is the IV fluid administration rate for maintenance?
30 ml/lb/day (66 ml/kg/day)
Total amount of IV fluid administration is calculated by the sum of what three things?
Amount needed to correct dehydration
Daily maintenance needs
Amount needed to replace fluid loss (from v/d)
What are some medical conditions that cause fluid imbalance?
Loss of protein
60% of the body (by weight) is known as what?
Total Body Water (TBW)
2/3 of the TWB is located...
within the cells (intercellular fluid)
1/3 of the TBW is located...
outside the cells (extracellular fluid)
What is the daily water gain?
20-30 cc/lb/day (40-60 cc/kg/day)
What is the daily water loss?
20-20 cc/lb/day (1-2 ml/kg/day)
Daily water loss is increased in...
Sensible water loss
Insensible water loss
What are the major electrocytes of extracellular fluids?
Sodium, Chloride, Bicarbonate
What are the major electrolytes of intracellular fluid?
Potassium, magnesium, phosphorus
What is the most abundant electrolyte?
What primarily influences water distribution?
What is a clinical sign of sodium imbalances?
Primarily neurological problems
What is hyponatremia?
Low Sodium Levels
What is hypernatremia?
High Sodium Levels
What is the dominant intracellular ion?
What does potassium provide for the body?
It maintains osmotic pressure and cell metabolism and is responsible for the electical potentials in the muscles and nerves
What are some symptoms of hypokalemia?
Muscle weakness, polyuria, polydipsia
What are the clinical signs of hyperkalemia?
In what conditions is hyperkalemia seen?
What is the normal blood pH?
What are the most important regulators of pH?
Kidneys, lungs, buffers
What laboratory tests are used to determine fluid therapy needs?
Urine specific gravity
Choice of fluids is based on what?
Severity of dehydration
Composition of fluids lost
Abnormality requiring correction
What are they, what do they do?
Contain small solute particles which can pass through membranes
These fluids move into all body compartments