Dzs equine adrenal glands-Mallicote

Question 1

Pheochromocytoma

Answer 1

Chromaffin cell in adrenal medulla affected

-some can be non-functional

Question 2

Pheo CS

Answer 2

1. Profuse sweating
2. Blanching mucous membranes
3. Tachycardia/tachypnea
4. Dilated pupils
5. Abdominal pain
6. Predisposed to hemorrhage

Question 3

Pheo clin path

Answer 3

High PCV

Hyperglycemia with glucosuria

Question 4

ACTH STIM TEST

Answer 4

CONFIRMATION ADRENAL INSUFFICIENCY ONLY

Question 5

Adrenal insufficiency occurs

Answer 5

1. Associated with prematurity and/or sepsis in foals

2. Iatrogenic

Question 6

Adrenal insuff CS

Answer 6

1. Lethargy, anorexia
2. Weight loss
3. Hyponatremia, hypochloremia, hyperkalemia, +/- hypoglycemia

Question 7

Adrenal isuff tx

Answer 7

rest all medications

Question 8

Acidosis in Ca hemostasis

Alkalosis in Ca hemostasis

Answer 8

Acidosis increases ionized Ca

Alkalosis decreases ionized Ca

Question 9

PTH (5)

Answer 9

1. Regulates Ca hemostasis
2. Controlled by the concentration of Ca in extra-cellular fluid
3. Increases resorption Ca from bone
4. Increases renal reabsorption of Ca in renal tubules
5. Increases renal reabsorption phosphorous in proximal tubule

Question 10

Vit D (2)

Answer 10

1. Enhances intestinal reabsorption Ca and P

2. Enhances bone resorption and renal tubule reabsorption of CaP

Question 11

Calcitonin

Answer 11

1. Acts to lower plasma Ca by inhibiting bone resorption

Question 12

DDX hypoCa (4)

Answer 12

1. Endurance comp
2. Drugs
   - furosemide
   - oxytetracycline
3. Oxalates
4. Blister beetle

Question 13

Hypocalcemia assoc with (4)

Answer 13

1. Thumbs
2. Lactation tetany
3. Seizures
4. Sepsis endotoxemia

Question 14

Thumps tx

Answer 14

Admin Ca borogluconate or CaCl to effect