Fluid Balance/Electrolytes Flashcards
How many pounds in 1 liter
2.2
Average adult fluid intake
2200-2700 mL
4 body functions that get rid of fluid
Kidneys, lungs, skin, GI
Lab values that show kidney function
BUN, creatinine
Lab values for urinalysis
pH and specific gravity
6 meds to watch for fluid balance
diuretics, steroids, electrolyte supp., antibiotics (affect kidneys), respiratory depressants, NSAID’s
Fluid excess
hypervolemia, greater fluid in EXTRAcellular compartment
Fluid excess symptoms
sudden weight gain, edema, full neck veins, crackles, BUN less than 10, decreased hematocrit,
Cause of fluid excess
IV therapy, kidney failure, heart failure, cirrhosis
Cause fluid deficit
Vomit, diarrhea, fever, burns, hemorrhage, confusion/depression, diuretics, third spacing, perspiration
Fluid deficit symptoms
sudden weight loss, postural HYPOtension, tachycardia, thready pulse, neck veins flat, slow vein filling, dry mucous membranes, dark yellow urine, inelastic skin turgor, confusion, cold clammy skin
Hypernatremia symptoms
Extreme thirst, dry and flushed skin, postural HYPOtension, fever, restlessness, confusion, agitation, coma, seizures, NA > 145, urine specific gravity 1.030
HypERnatremia symptoms
OSMOLALITY IMBALANCE
Extreme thirst, dry and flushed skin, postural HYPOtension, fever, restlessness, confusion, agitation, coma, seizures, NA > 145, urine specific gravity 1.030
HypOnatremia symptoms
OSMOLALITY IMBALANCE
Apprehension, nausea/vomiting, headaches, decreased consciousness, muscle weakness, seizures, NA
Potassium sources and function in body
fruits, potatoes, nuts, molasses
membrane potential of skeletal, smooth/cardiac muscle for normal function, stored in kidney, little room for fluctuations
Calcium sources and function in body
dairy, canned fish, broccoli, oranges, VITAMIN D for absorption
Nerve and muscle cells, needed for muscle contraction, bone/teeth, hormones, blood clotting
Magnesium sources and function in body
Dark green leafy veggies, whole grains
Neuromuscular junctions
Phosphate sources and function in body
milk, processed foods
ATP energy for cells
normal sodium value
136-145
Normal K value
3.5-5
Normal calcium value
8.4-10.5
Magnesium value
1.5-2.5
Phosphate value
2.7-4.5
HypOcalcemia cause
Vit. D deficiency, pancreatitis, chronic renal failure, alcoholism
HypOcalcemia symptoms
Numbness, tingling, tetany, muscle cramps, trousseau’s, chvostek’s
HypERcalcemia cause
Malignancy, osteoporosis
HypERcalcemia symptoms
Causes n/v, weakness, anorexia, flank pain, decreased LOC, cardiac arrest
HypOmagnesemia cause/ s&s
malnutrition, alcoholism
Tremors, confusion, hyper deep tendon reflexes
HypERmagnesesmia cause/ s&s
renal failure, excess intake
N/V, lethargy, dec. deep tendon reflexes, dec. respirations, hypotension
Bicarbonate
Acid-base buffer regulated by kidney
HypERkalemia
oliguria (decreased urine output at high risk)
muscle weakness, abdominal cramps, diarrhea, cardiac *dysrhythmias, cardiac arrest
HypOkalemia
muscle weakness, abdominal distension, decreased bowel sounds, constipation, dysrhythmias