click below
click below
Normal Size Small Size show me how
Vet Endocrine Dz
Parathyroid, Thyroid, Adrenals
Question | Answer |
---|---|
NET PTH EFFECT | INCREASE SERUM Ca2+ DECREASE SERUM P INCREASE RENAL EXCRETION OF P |
HYPERPARATHYROIDISM | HYPERCALCEMIA HYPOPHOSPHATEMIA ISOSTHENURIA (PU/PD) BONE LESIONS INCREASED ALP AZOTEMIA SOFT-TISSUE MINERALIZATION |
CALCITONIN EFFECTS | INHIBIT PTH INCREASE RENAL EXCRETION OF P |
ACID-BASE EFFECTS ON CALCIUM | ALKALOSIS - DECREASED IONIZED Ca2+ ACIDOSIS - INCREASED IONIZED Ca2+ |
CAUSES OF HYPERCALCEMIA | PT ADENOMA / HYPERCALCEMIA OF MALIGNANCY HYPERVITAMINOSIS D RENAL Dz (horses) BONE Dz (osteolysis) GRANULOMATOUS Dz (blastomycosis( ADRENAL INSUFFICIENCY |
CAUSES OF HYPOCALCEMIA | HYPOALBUMINEMIA ALKALOSIS (ruminants) RENAL Dz ETHYLENE GLYCOL TOXICOSIS PANCREATITIS (dogs) PARTURIENT PARESIS (cows) / ECLAMPSIA (dogs, mares, ewes) INTESTINAL MALABSORPTION BLISTER BEETLE TOXICOSIS (horses) GRASS TETANY (cows) HYPOPARATHYROIDI |
CAUSES OF HYPERPHOSOPHATEMIA | DECREASED GFR (RENAL Dz) HYPERVITAMINOSIS D HYPOPARATHYROIDISM or RENAL 2NDARY HYPERPARATHYROIDISM OSTEOLYTIC BONE LESIONS INCREASED INTESTINAL ABSORPTION OF P |
CAUSES OF HYPOPHOSPHATEMIA | PRIMARY/PSEUDOHYPERPARATHYROIDISM NUTRITIONAL 2NDARY HYPERPARATHYROIDISM PARTURIENT PARESIS (cows), ECLAMPSIA (dogs, mare, ewe) INTESTINAL MALABSORPTION |
CAUSES OF HYPERMAGNESEMIA | RENAL FAILURE (herbivores) ANTACIDS/Mg2+ CATHARTICS WITH RENAL FAILURE |
CAUSES OF HYPOMAGNESEMIA | INADEQUATE DIETARY Mg2+(grass tetany) |
Dx HYPOTHYROIDISM | Ca > Fe DECREASED T4 INCREASED TSH DECREASED fT4 MILD, NON-REGEN ANEMIA HYPERCHOLESTEROLEMIA |
Dx HYPERTHYROIDISM | Fe > Ca ELEVATED SERUM T4 TRH STIM - NO CHANGE IN T4 T3 SUPPR - NO CHANGE IN T4 INCREASED fT4 POLYCYTHEMIA INCREASED ALT INCREASED ALP EXACERBATION OF CRF AS CO DECREASES GLUCOSE INTOLERANCE (DIABETES MELLITUS) |
EFFECT OF GLUCOCORTICOIDS | SUPPRESS CRH (--> ACTH) ANTAGONIZE INSULIN (HYPERGLYCEMIA) INCREASE LIPOLYSIS SUPPRESS WOUND HEALING, INFLAMMATION, IMMUNOLOGIC RESPONSE BLOCKS ADH (PU/PD) |
Dx PD HYPERADRENOCORTICISM | BASELINE - N TO INCREASED ACTH STIM - INCREASED LOW DOSE DEX - INCREASED HIGH DOSE DEX - DECREASED ENDOGENOUS [ACTH] - N TO INCREASE STRESS LEUKOGRAM INCREASED ALP INCREASED ALT HYPERGLYCEMIA LIPEMIA HYPERCHOLESTEROLEMIA ISOSTHENURIA, HYPOSTHEN |
Dx AD HYPERADRENOCORTICISM | BASELINE - N TO INCREASED ACTH STIM - NORMAL TO INCREASED LOW DOSE DEX - INCREASED HIGH DOSE DEX - INCREASED ENDOGENOUS [ACTH] - DECREASED STRESS LEUKOGRAM INCREASED ALP INCREASED ALT HYPERGLYCEMIA LIPEMIA HYPERCHOLESTEROLEMIA ISOSTHENURIA, HYP |
Dx IATROGENIC HYPERADRENOCORTICISM | BASELINE - N TO DECREASED ACTH STIM - NO CHANGE STRESS LEUKOGRAM INCREASED ALP INCREASED ALT HYPERGLYCEMIA LIPEMIA HYPERCHOLESTEROLEMIA ISOSTHENURIA, HYPOSTHENURIA |
Dx HYPOADRENOCORTICISM | ACTH STIM - NO CHANGE CORTICOL ATROPHY HYPONATREMIA HYPERKALEMIA HYPERCALCEMIA HYPOGLYCEMIA ABSENCE OF STRESS LEUKOGRAM |