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vet clin path - electrolytes

Electrolyte imbalances can significantly impact various physiological functions and lead to a range of clinical conditions. Calcium imbalances, such as hypocalcemia and hypercalcemia, can cause symptoms like tetany and weakness, respectively.

vet clin path - electrolytes

electrolytes

Mg

hypomagnesemia
2° hypokalemia
SA

GI loss

renal loss

LA

heavily fertilized pasture (LA)

high NO3/low Mg in plant

milk tetany (calves), grass tetany, transport tetany

dietary deficiency/imbalance

hypermagnesemia
- GFR/urinary elimination
post parturient hypocalcemia

K

hypokalemia (tonic)
urgent! treat!
iatrogenic HCO3, insulin
GI/urinary loss
anorexia
hyperkalemia (flacid)

HYPP (eq)

post-renal

anuria

P

high metabolism
hyperadrenocorticism
mild: comon, WNL
low metabolism
pre-renal (eq)
rhabdomyolysis
some drugs
bladder rupture
decreased GFR

Ca

hypercalcemia (weakness)

granulomatous inflammation

bone lesions, osteolysis

hypoadrenocorticism

hypervitaminosis D

renal failure, - GFR

normal/hypophosphatemia

renal failure, - GFR (eq)

1° hyperparathyroidism

paraneoplastic (SA)

+ PTHrh

hypocalcemia (tetany)
hypophosphatemia

ethylene glycol toxicity

Ca ppt

renal 2° hypoparathyroidism

isosthenuria

+ PTH

azotemia

hyperphosphatemia

1° hypoparathyroidism

- PTH

normal P

blister beetle toxicosis (eq)

acute pancreatiis (saponification)

hypoalbuminemia

H & HCO3

normal

mixed disorder

alkalosis

abomasal/high gut obstruction (rum)

iatrogenic gastric reflux (eq)

mixed alkalosis > acidosis

acidosis
normal gap

saliva loss (rum)

high gap

hyperkalemia

organic poisons

ethylene glycol

uremia

renal failure

ketoacidosis (rum), DKA (SA)

grain overload (rum)

lactate

tissue hypoxia, shock

Cl

hypochloremia
[Na]-[Cl] > 45

metabolic alkalosis

displaced abomasum (rum)

gastric reflux (eq)

vomiting (SA)

proportional
hyperchloremia
see Na

Na

hypernatremia
H2O loss

hyposthenuric urine

renal dz

primary hypodypsia

diabetes insipidus

Na retention

hypertonic dehydration

sweat (bo, SA)

salt toxicity

iatrogenic administration

hyponatremia
H2O retention

congestive heart failure

iatrogenic mannitol

Na loss

third space syndromes

Addison's

tubular dz

hypotonic dehydration

sweat (eq)

diarrhea