electrolytes pt2 Flashcards
(25 cards)
hyponatremia causes
high SIADH (retain too much fluid)
excess H2O intake (psychogenic polydipsia)
low aldosterone
inappropriate use of fluids
hyponatermia cues
cerebral edema
decreased respiratory rate
fatigue & muscle cramps
hypernatremia causes
hypertonic saline
low ADH
enteral feedings
diuretics (thiazides)
hypernatremia cues
edema
increased muscle tone
swollen dry tongue
hyperkalemia causes
impaired kidney function
renal failure
ACE inhibitors
Aldactone (spironolactone)
hyperkalemia cues
peaked T waves, wide QRS complex
hypotension
diarrhea
hypokalemia causes
thiazide and loop diuretics
metabolic alkalosis
hypomagnesemia
hypokalemia cues
depressed T waves, prominent U wave
weak respiratory muscles
paralyzed limbs/intestines
hypermagnesemia causes
increased intake (only when renal failure present)
treatment for hypomegnesemia
hypokalcemia (direct relationship)
hypermagnesemia cues
HIGH MELLOW
decreased DTR
respiratory & cardiac arrest
hypomagnesemia causes
decreased intake
alcoholism (increased absorption & decreased excretion)
hyperglycemia
hypomagnesemia cues
LOW MELLOW
torsades de pointes
increased DTR
seizures
hypercalcemia causes
hyperparathyroidism (too much PTH)
malignancy and tumors
Addisons disease
hypercalcemia cues
osteoporosis (bone pain)
loss of muscle tone
kidney stones
hypocalcemia causes
hypoparathyroidism (thyroidectomy)
acute pancreatitis
low magnesium
multiple blood transfusions
hypocalcemia cues
trousseaus
chvosteks
increased muscle tone
tingling around mouth and extremities
hyperphosphatemia causes
acute or chronic kidney failure
chemotherapy
excessive ingestion
hyperphosphatemia cues
THINK HYPOCALCEMIA
calcified deposits in soft tissues
neuromuscular irritability and tetany
hypophosphatemia causes
malnourishment
alcohol abuse
use of phosphate-binding antacids
hypophosphatemia cues
THINK HYPERCALCEMIA
CNS depression
muscle weakness and pain
sodium and potassium relationship
inverse
potassium and magnesium relationship
direct
calcium and phosphate relationship
inverse
magnesium and phosphate relationship
inverse