electrolytes pt2 Flashcards
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