Fluid and Electrolyte Flashcards
Fluid can be intracellular (woth in cell) - 2/3 of total body water
Or
Transcellular… (name 3 types)
CSF, synovial fluid, pleural fluid
New borns have the highest percentage of body fluids ___% and are at most risk fir fluid & electrolyte imbalances.
75%
Maintenance fluid requirement Infant - Adolescente
Daily
Up to 10Kg….
11 - 20 Kg…..
> 20 KG…..
Up to 10Kg: 100mL × kg
11 - 20 Kg 1000 + 50 mL × each kg > 10
> 20 KG 1500 + 20Ml × ( each kg > 20)
What physiological symptoms put baby at risk for fluid imbalance…. (4)
Increased body surface area
Increased metabolic rate
Kidneys are immature
Higher fluid requirement.
Injest & excretion of greater amount of fluid per Kg
Normal specific gravity range for infants/ children…
Fluid volume exceess> 1.016 - 1.022 < dehydration
Average urine output…
1mL / kg / hr
Average number of urination daily
Infant
Adult
Infant 9 - 10
Adult 6 - 8
ICP
Mechanical Ventilation
Kidney Disease
SIADH
CHF
Have this fluid requirement….
Decreased input
Management of fluid overload…
Limit fluid
Diuretics
VS / Neurological
DAILY WEIGHT
find cause
Electrolyte
SEIZURE PRECAUTIONS
Retention of NA
Damaged plasma proteins from starvation/ liver disease
Alterations in membrane permeability, nephrotic syndrome, trauma.
Lead to this problem….
Edema
Edema complications…(4)
Peripheral/ Periorbital Edema (Infants)
Ascites fluid in abdominal cavity
Pulmonary edema Fluid in interstitial space of lungs
Cerebral edema- Trauma, infection, vascular overload of hypertonic solution
Fever
Tachypnea
V&D
Birns
DI
DKA
Sickle cell
Gastric suction
All have this fluid requirement…
Increased
Dehydration
Monitor _____ to access degree…
I&O
Urine Specific Gravity
Daily weight too
Severe dehydration adminster _____ IV bolus
May tjen order maintenance rate or 1.5 maintenance rate of Dextrose solution unless Contradicted .
20 mL / Kg NS or LR
Mild to moderate dehydration.
Oral rehydration therapy
Fluid given…
Pedialyte
NOTHING ELSE
NO WATER, BROTH, JUICE
Isotonic fluids with adequate K, Ch, Dextrose.
IV solutions with K have this warning before use…
Don’t hang until K+ bag until urine output has been established
Major ICF electrolyte…
Major ECF electrolyte…
K
Na
False increase in K level can happen from this collection method…
Finger prick
Due to squeezing Finger to get more blood, leading to hemolysis
135 - 145 range
3.5 - 5 range
135 - 145 Na
3.5 - 5 K
Subarachnoid hemorrhage, brain tumor, meningitis, encephalitis, SIADH
Excessive loss of water from diarrhea, vomiting, sweating, burns, heavy respirations
Hyponatremia <135
Subarachnoid hemorrhage, brain tumor, meningitis, encephalitis, SIADH
Hypernatremia >145
Excessive loss of water from diarrhea, vomiting, sweating, burns, heavy respirations
Which do you considered seizure precautions
Hypo / Hypernatremia
Hypernatremia >145
Why is pH important in rhe body…
Enzymes only function at certain ranges
Acidic >7.35 - 7.45<Alkaline
What is the range for infants…<2
Acidic >7.32 - 7.49 < basic
Respiration & Co²
Remove Co² type of breathing
Retain Co² type of breathing
Remove Co² type of breathing (Rapid) Kussmaul
Retain Co² type of breathing (Slow) drugged up