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Fluid & electrolytes(part 90-120)
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Name some sources of
potassium
.
Fruits and vegetabeles (bananas and oranges)
Salt substitutes
Potassium medications (PO, IV)
Stored blood
These things are all sources of what electrolyte?
What are some causes of
Hyperkalemia
(high serum potassium levels)
1) Increased retention due to renal failure or potassiumj sparing diuretics
2) Increased intake
3) Mobilization from ICF due to tissue destruction or acidosis
These things are all causes of hyper_______.
Name some (5) clinical manifestations of
hyperkalemia
.
1) Skeletal muscles weak or paralyzed
2) Ventricular fibrillation or cardiac standstill
3) Cardiac depolarization is impaired
4) Repolarization occurs more quickly
5) Abdominal cramping or diarrhea
These are all clinical manifestations of what electrolyte imbalance?
What's a nursing diagnosis for Hyperkalemia?
Risk for injury.
What's a potential complication with
hyperkalemia
?
Arrhythmias
are a potential complication with what electrolyte imbalance?
Name some nursing implementations with
hyperkalemia
.
1) Eliminate oral and parenteral K
+
intake.
2) Increase elimination of K
+
(diuretics, dialysis, Kayexalate)
3) Force K
+
form ECF to ICF by IV insulin or sodium bicarbonate
4) Reverse membrane effects of elevated ECF potassium by administering calcium gluconate IV
These are all nursing implementations for what electrolyte imbalance?
Hypokalemia
is caused by what? (5)
Loss of potassium due to
1) Aldosterone
2) Loop diuretics
3) GI losses
4) Associated with Mg deficiency
5) Movement of potassium into cells
These things are all causes of what electrolyte imbalance.
What are some clinical manifestations of
hypokalemia
?
1) Decrease GI motiltiy
2) Altered airway responsiveness
3) Impaired regulation of arterial blood flow
4) Diuresis
5) Hyperglycemia
These things are all clinical manifestations of what electrolyte imbalance?
What is a nursing diagnosis for hypokalemia?
Risk for injury.
What is a potential complication of
hypokalemia
?
Arrhythmias
are a potential complication of what potassium imbalance?
What are some considerations when trying to replace potassium by IV or PO in a client with hypokalemia?
1) Never push potassium IV.
2) It's painful in peripheral veins
3) Never give with anuric renal failure
Where do you obtain
calcium
?
Ingested foods
is where you obtain what electrolyte?
More than 99% of
calcium
is combined with ________ and concentraated in the skeletal system.
More than 99% of _______ is combined with
phosphorus
concentraated in the skeletal system.
What kind of relationship does calcium have with
phosphorus
?
Calcium and _______ have an
inverse relationship
. When one increases the other decreases.
What in our bodies are a readily available store of
calcium
?
Bones
are a readily available store of what elecrtrolyte?
Calcium
blocks _______ transport and stabilizes the cell membrane.
______ blocks
sodium
transport and stabilizes the cell membrane.
Name some functions of
calcium
.
1) Transmission of nerve impulses
2) Myocardial contractions
3) Blood clotting
4) Formation of teeth and bone
5) Muscle contractions
These are all functions of what electrolyte?
Calcium
levels are controled by what? (3)
1) Parathyroid hormone
2) Calcitonin
3) Vitamin D
These things all help control levels of what electrolyte?
Define
Hypercalcemia
High serum calcium levels (above 5.5 mEq/L)
Causes of
hypercalcemia
.
1) Hyperparathyroidism
2) Malignancy
3) Vitamin D overdose
4) Prolonged immobilization
These things are all causes of what electrolyte imbalance?
Clinical manifestations
hypercalcemia
.
1) Decreased memory
2) Confusion
3) Disorientation
4) Fatigue
These are all clinical manifestations of that electrolyte imbalance?
Name some management options for
hypercalcemia
?
1) Loop diuretics
2) Hydration with isotonic saline infusion
3) Syntheic calcitonin
4) Mobilization ( causes calcium to be put back in the bones)
These are all management options for what electrolyte imbalance?
Potential complication with hypercalcemian.
Arryythmias
are a potential complication of what calcium imbalance?
Define
hypocalcemia
.
Low serum calcium levels (less than 4.5 mEq/L)
Name some causes of
hypocalcemia
.
1) Decreased production of PTH
2) Acute pancreatitis
3) Multiple blood transfusions( the anticoagulant in sored blood binds with the calcium)
4) Alkalosis
5) Decreased intake
These are all causes of what electrolyte imbalance?
Name some (6) clinical manifestations of
hypocalcemia
.
1) Positive Trousseau's sign ( hand and wrist)
2) Positive Chvostek's sign (face)
3) Laryngeal stridor
4) Dysphagia
5) Numbness
6) Tingling around the mouth or in the extremities
These are all clinical manifestations of what electrolyte imbalance?
How do you manage
hypocalcemia
?
1) Treat the cause
2) Oral or IV calcium supplements
3) Treatment of pain and anxiety to prevent hyperventilation-induced repiratory alkalosis
These are all ways to manage what electrolyte imbalance?
What is the primary anion in the
ICF
?
Phosphorus
is the primary anion in the ____?
This electrolyte is essential to the function of
muscle , red blood cells, and the nervous system.
Phosphate
is essential to the function of what 3 things?
Maintenance of
phosphate
requires adequate ______ function.
Maintenance of what electrolyte requires adequate
renal
function.
Author
Ted
ID
10741
Card Set
Fluid & electrolytes(part 90-120)
Description
Fluid and electrolytes for nursing II
Updated
2010-03-16T03:29:28Z
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