FLUID & ELECTROLYTES Flashcards
(28 cards)
FLUID VOLUME EXCESS……
HYPERVOLEMIA
too much fluid/vascular space
Fluid volume excess/ Causes….
Heart failure, renal failure, processed foods, IVF with sodium, effervescent soluble meds
Aldosterone secretion increases…….
Retain sodium/water=> Blood volume goes UP
SIADH
too many letters
too much water
Fluid volume excess
Urine concentrated
Blood Diluted
Concentrated makes the #s go down
Dilute makes the #s go down
Urine specific gravity, sodium and hematocrit
ADH found in…….
Pituitary Gland
ADH replacement in Diabetes Insipidus….
Vasopressin or Desmopressin acetate
Diabetes Insipidus
losing water, worried about…..
SHOCK
Urine diluted
Blood concentrated
Fluid volume excess
S&S
JVD, peripheral edema, crackles in lungs, Polyuria
Increased CVP, Pulse, BP, Weight
FVE
Treatments…….
low sodium, limit fluids, diuretics, bedrest, give IV’s slowly to very young, also heart/kidney problems
FVD=Hypovolemia
Worry about……
Causes…….
SHOCK
Fluid loss from anywhere/procedures, 3rd spacing, Diseases with polyuria….think shock 1st
FVD
S&S……..
Weight loss, dry mucous membranes
Increased pulse, respirations, urine specific gravity
Decreased BP, skin turgor, UO, CVP
FVD
Treatment……
Prevent further fluid loss, replace fluids, Safety precautions/fall risk
ISOTONIC SOLUTIONS
Examples, Uses, Alerts……..
NS 0.9%, LR, D5W, D5 1/4 NS
Fluid loss from vomiting, burns, sweating, trauma, Use NS when giving blood
Don’t use these with hypertension, cardiac disease or kidney disease.
HYPOTONIC SOLUTIONS
Examples, Uses, Alerts……..
D2.5W, 1/2NS, 0.33%NS
Hypertension, cardiac/renal disease, hemorrhage, hypernatremia, cellular dehydration
Watch for cellular edema, FVD, decreased BP
HYPERTONIC SOLUTIONS(packed with particles) Examples, Uses, Alerts.....
D10W, 3%NS, D5LR, D5 1/2NS, TPN, Albumin
Hyponatremia, 3rd spacing, severe edema, burns, ascites
Watch for FVE, Monitor in ICU setting bp, pulse and cvp
J CO’s Top 5 High Alert Meds
Double check with 2nd nurse!!!……
Insulin, Narcotics, Injectable Potassium or Phosphate, IV Anticoagulants, IV sodium solutions above 0.9%
Magnesium & Calcium, Act like…………
Sedatives
Think muscles 1st
Hypermagnesemia
Causes, S&S, Treatment……..
Renal failure, Antacids
Flushing & warmth, Mg causes vasodilation, Arrhythmias, Decreased DTR’s, Muscle tone, LOC, pulse, respirations
Ventilator, Dialysis, Safety precautions, Antidote for Mag toxicity-Calcium gluconate
Hypercalcemia
Causes, S&S, Treatment………..
Calcium & Phosphate= Inverse Relationship
Hyperparathyroidism, Thiazides, Immobilization
Brittle bones, kidney stones, Decreased DTR’s, Muscle tone, LOC, pulse, respirations
Move around, fluids, Protein, Steroids. Safety precautions, Medications to decrease serum Ca: Biphosphates, Calcitonin
Hypomagnesemia
Causes, S&S, Treatment………….
Diarrhea/Mg in intestines, Alcoholism= suppresses ADH & it’s not hypertonic
Rigid/tight muscles, seizure, Laryngospasm, +Chvostek’s, +Trousseau’s, Arrhythmias, Mind changes, Swallowing problems, Increase DTR’s
PO Calcium, IV Ca(give slowly, heart monitor), Vitamin D, Phosphate binders
Sodium= Think……
Neuro Changes
135-145
Level is dependent on how much water is in the blood
Hypernatremia= Dehydration
Causes, S&S, Treatment………..
Hyperventilation, heat stroke, Diabetes Insipidus
Dry mouth, Thirsty, Swollen tongue, Neuro Changes
Restrict Sodium, Fluids will decrease levels, Daily weights, I & O, Lab work
Hyponatremia= Dilution
Causes, S&S, Treatment………
Drinking too much water, D5W, SIADH
Headache, Seizure, Coma
Sodium, Restrict water, If Neuro problems 3%NS or 5%NS